Lua APA (7ú heag.)
Hewitson, M. (2004). Germany and the causes of the First World War. Berg.
Lua i Stíl Chicago (17ú heag.)
Hewitson, Mark. Germany and the Causes of the First World War. Oxford, UK ; New York: Berg, 2004.
Lua MLA (9ú heag.)
Hewitson, Mark. Germany and the Causes of the First World War. Berg, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.