Παραπομπή APA

Wallbank, T. W. (1976). Civilization past & present (7th ed.). Illinois: Scott foresman and company.

Παραπομπή Chicago Style

Wallbank, Thomas Walter. Civilization Past & Present. 7th ed. Illinois: Scott foresman and company, 1976.

Παραπομπή MLA

Wallbank, Thomas Walter. Civilization Past & Present. 7th ed. Illinois: Scott foresman and company, 1976.

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