Cita APA

Hartshorn, T. A. (1988). Economic geography. Englewood Cliffs, N.J: Prentice Hall.

Chicago Style Citation

Hartshorn, Truman A. Economic Geography. Englewood Cliffs, N.J: Prentice Hall, 1988.

Cita MLA

Hartshorn, Truman A. Economic Geography. Englewood Cliffs, N.J: Prentice Hall, 1988.

Atenció: Aquestes cites poden no estar 100% correctes.