APA (7. basım) Alıntı

Joseph J. Hobbs. (2017). Fundamental of World Regional Geography (4th ed.). Cengage.

Chicago Style (17. basım) Atıf

Joseph J. Hobbs. Fundamental of World Regional Geography. 4th ed. Singapore: Cengage, 2017.

MLA (9th ed.) Atıf

Joseph J. Hobbs. Fundamental of World Regional Geography. 4th ed. Cengage, 2017.