Παραπομπή APA

Koch, H. W. (1972). The Origins of the first world war: Great power rivalry and German war aims.

Παραπομπή Chicago Style

Koch, H W. The Origins of the First World War: Great Power Rivalry and German War Aims. London, Macmillan press, 1972.

Παραπομπή MLA

Koch, H W. The Origins of the First World War: Great Power Rivalry and German War Aims. 1972.