Zilliacus, K. (1939). Between two wars?: The lessons of the last world war in relation to preparation for the next. Penguin Books.
Chicago-referens (17:e uppl.)Zilliacus, K. Between Two Wars?: The Lessons of the Last World War in Relation to Preparation for the Next. Harmondsworth, Eng.: Penguin Books, 1939.
MLA-referens (8:e uppl.)Zilliacus, K. Between Two Wars?: The Lessons of the Last World War in Relation to Preparation for the Next. Penguin Books, 1939.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.