Dyfyniad APA

Boehm, R. G. (2002). Geography the World and it's People volume 1. McGraw - HillCompanies, Inc.

Dyfyniad Arddull Chicago

Boehm, Richard G. Geography the World and It's People Volume 1. McGraw - HillCompanies, Inc, 2002.

Dyfyniad MLA

Boehm, Richard G. Geography the World and It's People Volume 1. McGraw - HillCompanies, Inc, 2002.

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