APA (7e ed.) Bronvermelding

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 (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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