Dyfyniad APA

Toynbee, A. J. (1934). A study of history. London: The Genesis of Civilizations.

Dyfyniad Arddull Chicago

Toynbee, Arnold J. A Study of History. London: The Genesis of Civilizations, 1934.

Dyfyniad MLA

Toynbee, Arnold J. A Study of History. London: The Genesis of Civilizations, 1934.

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