APA (7th ed.) Zitazioa
National Research Council (U.S.). Subcommittee on Poultry Nutrition & ebrary, Inc. (1994). Nutrient requirements of poultry (9th rev. ed.). National Academy Press.
Chicago Style (17th ed.) Zitazioa
National Research Council (U.S.). Subcommittee on Poultry Nutrition eta Inc ebrary. Nutrient Requirements of Poultry. 9th rev. ed. Washington, D.C.: National Academy Press, 1994.
MLA (9th ed.) Zitazioa
National Research Council (U.S.). Subcommittee on Poultry Nutrition eta Inc ebrary. Nutrient Requirements of Poultry. 9th rev. ed. National Academy Press, 1994.
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