APA aipamena

Getis, A., Getis, J., & Fellmann, J. D. (2002). Introduction to geography (8th ed.). McGraw-Hill.

Chicago Style aipamena

Getis, Arthur, Judith Getis, and Jerome Donald Fellmann. Introduction to Geography. 8th ed. Boston: McGraw-Hill, 2002.

MLA aipamena

Getis, Arthur, et al. Introduction to Geography. 8th ed. McGraw-Hill, 2002.