Institute of Medicine (U.S.). Subcommittee on Nutritional Status and Weight Gain during Pregnancy & Institute of Medicine (U.S.). Subcommittee on Dietary Intake and Nutrient Supplements during Pregnancy. (1990). Nutrition during pregnancy: Part I, weight gain : part II, nutrient supplements. National Academy Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Institute of Medicine (U.S.). Subcommittee on Nutritional Status and Weight Gain during Pregnancy و Institute of Medicine (U.S.). Subcommittee on Dietary Intake and Nutrient Supplements during Pregnancy. Nutrition During Pregnancy: Part I, Weight Gain : Part II, Nutrient Supplements. Washington, D.C.: National Academy Press, 1990.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Institute of Medicine (U.S.). Subcommittee on Nutritional Status and Weight Gain during Pregnancy و Institute of Medicine (U.S.). Subcommittee on Dietary Intake and Nutrient Supplements during Pregnancy. Nutrition During Pregnancy: Part I, Weight Gain : Part II, Nutrient Supplements. National Academy Press, 1990.