Cole, J. P. (1972). Geography of world affairs (4th ed.). Penguin Books Ltd.
Chicago Style (17. basım) AtıfCole, John P. Geography of World Affairs. 4th ed. Harmondsworth, Middlesex: Penguin Books Ltd, 1972.
MLA (9th ed.) AtıfCole, John P. Geography of World Affairs. 4th ed. Penguin Books Ltd, 1972.
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