APA aipamena

Siegel, F. (2008). Urban Society 13th Edition. McGraw-hill.

Chicago Style aipamena

Siegel, Fred. Urban Society 13th Edition. McGraw-hill, 2008.

MLA aipamena

Siegel, Fred. Urban Society 13th Edition. McGraw-hill, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.