APA aipamena

a. (1996). World Resousces 1996 - 97: The urban environment. New York: Oxford university Oxford.

Chicago Style aipamena

a. World Resousces 1996 - 97: The Urban Environment. New York: Oxford university Oxford, 1996.

MLA aipamena

a. World Resousces 1996 - 97: The Urban Environment. New York: Oxford university Oxford, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.