APA ציטוט

WHEELER, J. O., & MULLER, P. O. (1981). Economy geography. John Wiley and Sons.

Chicago Style (17th ed.) Citation

WHEELER, James O., and Peter O. MULLER. Economy Geography. New York: John Wiley and Sons, 1981.

ציטוט MLA

WHEELER, James O., and Peter O. MULLER. Economy Geography. John Wiley and Sons, 1981.