Cita APA

Muller, P. O., & Wheelar, J. O. (1998). Economic geography (3.). John Wiley and Sons ,Inc.

Chicago Edition Citation

Muller, Peter O., i James O. Wheelar. Economic Geography. 3. New York: John Wiley and Sons ,Inc, 1998.

Cita MLA

Muller, Peter O., i James O. Wheelar. Economic Geography. 3. John Wiley and Sons ,Inc, 1998.