Gaya APA

Waller, A, T, J, B, A, S. (2013). Interwar Years: Confict and Cooperation 1919-39 . United Kingdom: Cambridge University Press.

Gaya MLA

Waller, Allan, Todd,, Jean, Bottaro,, And, Sally. "Interwar Years: Confict and Cooperation 1919-39". United Kingdom: Cambridge University Press, 2013. Text.