APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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