Lua APA (7ú heag.)

De Blij, H., & Muller, P. O. (1997). Geography: Realms, Religions, and concepts (8th ed.). John Wiley & Sons.

Lua i Stíl Chicago (17ú heag.)

De Blij, H.J, agus Peter O. Muller. Geography: Realms, Religions, and Concepts. 8th ed. New York: John Wiley & Sons, 1997.

Lua MLA (9ú heag.)

De Blij, H.J, agus Peter O. Muller. Geography: Realms, Religions, and Concepts. 8th ed. John Wiley & Sons, 1997.

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