Alpha History. (2014a). Imperialism as a cause of World War I. Retrieved from http://alphahistory.com/worldwar1/imperialism/
Alpha History. (2014b). Militarism as a cause of World War I. Retrieved from http://alphahistory.com/worldwar1/militarism/
Cho, A. (n.d.). Immediate Causes of WW1. Retrieved from https://causesofwwi.wordpress.com/nationalism/
Downey, M. T. (2006). Contemporary’s world history. Chicago, IL: Wright Group/McGraw Hill
Duffy, M. (2009). The causes of World War One. Retrieved from http://www.firstworldwar.com/origins/causes.htm
Fromkin, D (2004). Europe's last summer: Who started The Great War in 1914. New York, NY: Vintage Books
History. (n.d.). Archduke Franz Ferdinand assassinated. Retrieved from http://www.history.com/this-day-in-history/archduke-franz-ferdinand-assassinated
Kelly, M. (n.d.). Top 5 causes of World War 1. Retrieved from http://americanhistory.about.com/od/worldwari/tp/causes-of-world-war-1.htm
King, G., & Wollmans, S. (2014). The assassination of the Archduke: Sarajevo 1914 and the romance that changed the world. New York, NY: St. Martin’s Press
The History Learning Site. (2015). Causes of World War One. Retrieved from http://www.historylearningsite.co.uk/world-war-one/causes-of-world-war-one/causes-of-world-war-one/
Wilde, R. (n.d.). World War One: The major alliances. Retrieved from http://europeanhistory.about.com/od/worldwar1/a/World-War-One-The-Major-Alliances.htm
Alpha History. (2014b). Militarism as a cause of World War I. Retrieved from http://alphahistory.com/worldwar1/militarism/
Cho, A. (n.d.). Immediate Causes of WW1. Retrieved from https://causesofwwi.wordpress.com/nationalism/
Downey, M. T. (2006). Contemporary’s world history. Chicago, IL: Wright Group/McGraw Hill
Duffy, M. (2009). The causes of World War One. Retrieved from http://www.firstworldwar.com/origins/causes.htm
Fromkin, D (2004). Europe's last summer: Who started The Great War in 1914. New York, NY: Vintage Books
History. (n.d.). Archduke Franz Ferdinand assassinated. Retrieved from http://www.history.com/this-day-in-history/archduke-franz-ferdinand-assassinated
Kelly, M. (n.d.). Top 5 causes of World War 1. Retrieved from http://americanhistory.about.com/od/worldwari/tp/causes-of-world-war-1.htm
King, G., & Wollmans, S. (2014). The assassination of the Archduke: Sarajevo 1914 and the romance that changed the world. New York, NY: St. Martin’s Press
The History Learning Site. (2015). Causes of World War One. Retrieved from http://www.historylearningsite.co.uk/world-war-one/causes-of-world-war-one/causes-of-world-war-one/
Wilde, R. (n.d.). World War One: The major alliances. Retrieved from http://europeanhistory.about.com/od/worldwar1/a/World-War-One-The-Major-Alliances.htm