APA (7th ed.) Zitazioa
Worsley, P. (1984). The three worlds: Culture and world development. University of Chicago Press.
Chicago Style (17th ed.) Zitazioa
Worsley, Peter. The Three Worlds: Culture and World Development. Chicago: University of Chicago Press, 1984.
MLA (9th ed.) Zitazioa
Worsley, Peter. The Three Worlds: Culture and World Development. University of Chicago Press, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.