Cita APA (7th ed.)

Hartshorn, T. A., & Alexander, J. W. (1988). Economic Geography (3rd ed.). Prentice-Hall of India.

Cita Chicago (17th ed.)

Hartshorn, Truman A., i John W. Alexander. Economic Geography. 3rd ed. New Delhi: Prentice-Hall of India, 1988.

Cita MLA (9th ed.)

Hartshorn, Truman A., i John W. Alexander. Economic Geography. 3rd ed. Prentice-Hall of India, 1988.