(1990). Nutrition during pregnancy: Part 1, weight gain part II, nutrient supplements. National Academy Press.
Chicago-Zitierstil (17. Ausg.)Nutrition During Pregnancy: Part 1, Weight Gain Part II, Nutrient Supplements. National Academy Press, 1990.
MLA-Zitierstil (9. Ausg.)Nutrition During Pregnancy: Part 1, Weight Gain Part II, Nutrient Supplements. National Academy Press, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.