APA (7th ed.) Zitazioa
Robertson, I. (1981). Sociology (2nd ed.). Worth Publishers.
Chicago Style (17th ed.) Zitazioa
Robertson, Ian. Sociology. 2nd ed. New York: Worth Publishers, 1981.
MLA (9th ed.) Zitazioa
Robertson, Ian. Sociology. 2nd ed. Worth Publishers, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.