APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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