APA
Institute of Medicine, . (1990). Nutrition during pregnancy . Part I and Part II. Washington D. C: National Academic Press.
Chicago
Institute of Medicine, . 1990. Nutrition during pregnancy . Part I and Part II. Washington D. C: National Academic Press.
Harvard
Institute of Medicine, . (1990). Nutrition during pregnancy . Part I and Part II. Washington D. C: National Academic Press.
MLA
Institute of Medicine, . Nutrition during pregnancy . Part I and Part II. Washington D. C: National Academic Press. 1990.
