Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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