Παραπομπή APA

Childe, G. (1960). What happened in history: A study of the rise and decline of cultural and moral values in the old world up to the fall of Roman Empire. Harmondsworth: Penguin Books.

Παραπομπή Chicago Style

Childe, Gordon. What Happened in History: A Study of the Rise and Decline of Cultural and Moral Values in the Old World Up to the Fall of Roman Empire. Harmondsworth: Penguin Books, 1960.

Παραπομπή MLA

Childe, Gordon. What Happened in History: A Study of the Rise and Decline of Cultural and Moral Values in the Old World Up to the Fall of Roman Empire. Harmondsworth: Penguin Books, 1960.

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