APA aipamena

Getis, A. (2008). Introduction to Geography. Boston: McGraw-Hill Higher Education.

Chicago Style aipamena

Getis, Arthur. Introduction to Geography. Boston: McGraw-Hill Higher Education, 2008.

MLA aipamena

Getis, Arthur. Introduction to Geography. Boston: McGraw-Hill Higher Education, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.