APA (7th ed.) Zitazioa
Worchel, S. (1998). Social identity: International perspectives. Sage.
Chicago Style (17th ed.) Zitazioa
Worchel, Stephen. Social Identity: International Perspectives. London ; Thousand Oaks, Calif.: Sage, 1998.
MLA (9th ed.) Zitazioa
Worchel, Stephen. Social Identity: International Perspectives. Sage, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.