APA (7th ed.) Zitazioa
National Research Council (U.S.). Subcommittee on Selenium & ebrary, Inc. (1983). Selenium in nutrition (Rev. ed.). National Academy Press.
Chicago Style (17th ed.) Zitazioa
National Research Council (U.S.). Subcommittee on Selenium eta Inc ebrary. Selenium in Nutrition. Rev. ed. Washington, D.C.: National Academy Press, 1983.
MLA (9th ed.) Zitazioa
National Research Council (U.S.). Subcommittee on Selenium eta Inc ebrary. Selenium in Nutrition. Rev. ed. National Academy Press, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.