Cita APA

De Blij, H. J., & Muller, P. O. (2003). Concepts and regions in geography. New York: J. Wiley.

Chicago Style Citation

De Blij, Harm J., i Peter O. Muller. Concepts and Regions in Geography. New York: J. Wiley, 2003.

Cita MLA

De Blij, Harm J., i Peter O. Muller. Concepts and Regions in Geography. New York: J. Wiley, 2003.