Dyfyniad APA

WALMSLEY, D., & LEWIS, G. (1984). Human geography: Behavioral approaches. Longman.

Dyfyniad Arddull Chicago

WALMSLEY, D.J, and G.J LEWIS. Human Geography: Behavioral Approaches. London: Longman, 1984.

Dyfyniad MLA

WALMSLEY, D.J, and G.J LEWIS. Human Geography: Behavioral Approaches. Longman, 1984.

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