Cita APA (7th ed.)

Alexander, J. (1979). Economic grography (2nd.). Prentice Hall.

Cita Chicago (17th ed.)

Alexander, J. Economic Grography. 2nd. New Delhi: Prentice Hall, 1979.

Cita MLA (9th ed.)

Alexander, J. Economic Grography. 2nd. Prentice Hall, 1979.