APA (7. basım) Alıntı

Dunbar, G. S. (1991). Modern geography: An encyclopedic survey. Garland.

Chicago Style (17. basım) Atıf

Dunbar, Gary S. Modern Geography: An Encyclopedic Survey. New York: Garland, 1991.

MLA (9th ed.) Atıf

Dunbar, Gary S. Modern Geography: An Encyclopedic Survey. Garland, 1991.