APA (7e ed.) Bronvermelding

Hartshorn, T. A., & Alexander , J. W. (2004). Economic geography (3rd ed.). Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Hartshorn, Truman A., en John W. Alexander. Economic Geography. 3rd ed. New Delhi: Prentice-Hall, 2004.

MLA (9e ed.) Bronvermelding

Hartshorn, Truman A., en John W. Alexander. Economic Geography. 3rd ed. Prentice-Hall, 2004.