National Research Council (U.S.). Subcommittee on the Ninth Edition of the RDAs, National Institutes of Health (U.S.), & National Research Council (U.S.). Committee on Dietary Allowances. (1980). Recommended dietary allowances (9th ed.). National Academy Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Research Council (U.S.). Subcommittee on the Ninth Edition of the RDAs, National Institutes of Health (U.S.), و National Research Council (U.S.). Committee on Dietary Allowances. Recommended Dietary Allowances. 9th ed. Washington, D.C.: National Academy Press, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Research Council (U.S.). Subcommittee on the Ninth Edition of the RDAs, et al. Recommended Dietary Allowances. 9th ed. National Academy Press, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.