APA (7th ed.) Zitazioa
ebrary, Inc, & Brewer, G. D. (1992). Social and economic studies. National Academy Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Garry D. Brewer. Social and Economic Studies. Washington, D.C.: National Academy Press, 1992.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Garry D. Brewer. Social and Economic Studies. National Academy Press, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.