Gaya APA

Gellately, R., Rina, B, ,. (2007). Lenin, Stalin and Hitler : The age of Social Catastrophe (-). Jakarta: Gramedia.

Gaya MLA

Gellately, Robert., Rina, Buntaran, ,. "Lenin, Stalin and Hitler : The age of Social Catastrophe". - Jakarta: Gramedia, 2007. Text.