APA ציטוט

O'SULLIVIAN, P. (1981). Geographical economics. John Wiley and Sons.

Chicago Style (17th ed.) Citation

O'SULLIVIAN, Patrick. Geographical Economics. New York: John Wiley and Sons, 1981.

ציטוט MLA

O'SULLIVIAN, Patrick. Geographical Economics. John Wiley and Sons, 1981.