Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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