Institute of Medicine. (1990). Nutrition during pregnancy: Part I, weight gain : part II, nutrient supplements. National Academy Press.
Cita Chicago Style (17a ed.)Institute of Medicine. Nutrition During Pregnancy: Part I, Weight Gain : Part II, Nutrient Supplements. Washington, D.C.: National Academy Press, 1990.
Cita MLA (9a ed.)Institute of Medicine. Nutrition During Pregnancy: Part I, Weight Gain : Part II, Nutrient Supplements. National Academy Press, 1990.
Precaución: Estas citas no son 100% exactas.