APA (7th ed.) Zitazioa
Hewitson, M. (2004). Germany and the causes of the First World War. Berg.
Chicago Style (17th ed.) Zitazioa
Hewitson, Mark. Germany and the Causes of the First World War. Oxford, UK ; New York: Berg, 2004.
MLA (9th ed.) Zitazioa
Hewitson, Mark. Germany and the Causes of the First World War. Berg, 2004.
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