Cita APA (7a ed.)

(1988). Geography Regions And Concepts/ Harm J. De Blij And Peter O. Muller. John Willey & Sons.

Cita Chicago Style (17a ed.)

Geography Regions And Concepts/ Harm J. De Blij And Peter O. Muller. John Willey & Sons, 1988.

Cita MLA (8a ed.)

Geography Regions And Concepts/ Harm J. De Blij And Peter O. Muller. John Willey & Sons, 1988.