Dyfyniad APA

De Blij, H. J., & Murphy, A. B. (1999). Human geography: Culture, society, and space. Wiley.

Dyfyniad Arddull Chicago

De Blij, Harm J., and Alexander B. Murphy. Human Geography: Culture, Society, and Space. New York: Wiley, 1999.

Dyfyniad MLA

De Blij, Harm J., and Alexander B. Murphy. Human Geography: Culture, Society, and Space. Wiley, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.