APA (7th ed.) Zitazioa
Collinwood, D. W. (1995). Global studies (3rd ed.). Dushkin Pub. Group.
Chicago Style (17th ed.) Zitazioa
Collinwood, Dean W. Global Studies. 3rd ed. Guilford, Conn.: Dushkin Pub. Group, 1995.
MLA (9th ed.) Zitazioa
Collinwood, Dean W. Global Studies. 3rd ed. Dushkin Pub. Group, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.