APA (7th ed.) Zitazioa

Institute of Medicine (U.S.). Subcommittee on Nutritional Status and Weight Gain during Pregnancy & ebrary, Inc. (1990). Nutrition during pregnancy: Part I, weight gain : part II, nutrient supplements. National Academy Press.

Chicago Style (17th ed.) Zitazioa

Institute of Medicine (U.S.). Subcommittee on Nutritional Status and Weight Gain during Pregnancy eta Inc ebrary. Nutrition During Pregnancy: Part I, Weight Gain : Part II, Nutrient Supplements. Washington, D.C.: National Academy Press, 1990.

MLA (9th ed.) Zitazioa

Institute of Medicine (U.S.). Subcommittee on Nutritional Status and Weight Gain during Pregnancy eta Inc ebrary. Nutrition During Pregnancy: Part I, Weight Gain : Part II, Nutrient Supplements. National Academy Press, 1990.