APA-referens

Quigley, C. (1979). The evolution of civilizations: An introduction to historical analysis. Indianapolis: Liberty Press.

Chicago-stil citat

Quigley, Carroll. The Evolution of Civilizations: An Introduction to Historical Analysis. Indianapolis: Liberty Press, 1979.

MLA-referens

Quigley, Carroll. The Evolution of Civilizations: An Introduction to Historical Analysis. Indianapolis: Liberty Press, 1979.

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