Dyfyniad APA
National Research Council (U.S.). Subcommittee on Selenium & ebrary, Inc. (1983). Selenium in nutrition (Rev. ed.). National Academy Press.
Dyfyniad Arddull Chicago
National Research Council (U.S.). Subcommittee on Selenium and Inc ebrary. Selenium in Nutrition. Rev. ed. Washington, D.C.: National Academy Press, 1983.
Dyfyniad MLA
National Research Council (U.S.). Subcommittee on Selenium and Inc ebrary. Selenium in Nutrition. Rev. ed. National Academy Press, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.