Dyfyniad APA

GETIS, A., GETIS, J., BJELLAND, M., & FELLMANN, J. D. (2011). Introduction to geography. McGraw-Hill Book Company.

Dyfyniad Arddull Chicago

GETIS, Arthur, Judith GETIS, Mark BJELLAND, and Jerome D. FELLMANN. Introduction to Geography. McGraw-Hill Book Company, 2011.

Dyfyniad MLA

GETIS, Arthur, et al. Introduction to Geography. McGraw-Hill Book Company, 2011.

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