Cita APA (7th ed.)

De Blij, H. J., & Muller, P. O. (1996). Study guide to accompany Physical geography of the global environment, second edition (2nd ed.). John Wiley & Sons.

Cita Chicago (17th ed.)

De Blij, Harmon J., i Peter O. Muller. Study Guide to Accompany Physical Geography of the Global Environment, Second Edition. 2nd ed. New York: John Wiley & Sons, 1996.

Cita MLA (9th ed.)

De Blij, Harmon J., i Peter O. Muller. Study Guide to Accompany Physical Geography of the Global Environment, Second Edition. 2nd ed. John Wiley & Sons, 1996.