APA (7th ed.) Zitazioa
Mandelbaum, M. (1987). Purpose and Necessity in Social Theory. Johns Hopkins University Press.
Chicago Style (17th ed.) Zitazioa
Mandelbaum, Maurice. Purpose and Necessity in Social Theory. Baltimore: Johns Hopkins University Press, 1987.
MLA (9th ed.) Zitazioa
Mandelbaum, Maurice. Purpose and Necessity in Social Theory. Johns Hopkins University Press, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.