APA (7th ed.) Zitazioa
Twomey, L. J. Social Order: October 1962. The Institute of Social Order.
Chicago Style (17th ed.) Zitazioa
Twomey, Louis J. Social Order: October 1962. Saint Louis, EUA: The Institute of Social Order.
MLA (9th ed.) Zitazioa
Twomey, Louis J. Social Order: October 1962. The Institute of Social Order.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.