APA-viite (7. p.)

Getis, A., Getis, J., & Fellmann, J. D. (2009). Introduction to geography (12th ed.). McGraw-Hill.

Chicago-viite (17. p.)

Getis, Arthur, Judith Getis, ja Jerome D. Fellmann. Introduction to Geography. 12th ed. Dubuque, IA: McGraw-Hill, 2009.

MLA-viite (9. p.)

Getis, Arthur, et al. Introduction to Geography. 12th ed. McGraw-Hill, 2009.