Gaya APA

Benson, O. (1939). Through the Diplomatic Looking-Glass: Immediate Origins of the War in Europe (1). Norman, USA: University of Oklahoma Press.

Gaya MLA

Benson, Oliver. "Through the Diplomatic Looking-Glass: Immediate Origins of the War in Europe". 1 Norman, USA: University of Oklahoma Press, 1939. Koleksi Elektronik.