Dyfyniad APA

GETIS, A. (2017). Introduction to geography. New Age International Publishers.

Dyfyniad Arddull Chicago

GETIS, Arthur. Introduction to Geography. New Age International Publishers, 2017.

Dyfyniad MLA

GETIS, Arthur. Introduction to Geography. New Age International Publishers, 2017.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.