Hartshorn, T. A., & Alexander , J. W. (2004). Economic geography (3rd ed.). Prentice-Hall.
Chicago-čujuhus (17. p.)Hartshorn, Truman A., juo John W. Alexander. Economic Geography. 3rd ed. New Delhi: Prentice-Hall, 2004.
MLA-čujuhus (9. p.)Hartshorn, Truman A., juo John W. Alexander. Economic Geography. 3rd ed. Prentice-Hall, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.