APA aipamena

(1990). Nutrition during pregnancy: Part 1, weight gain part II, nutrient supplements. National Academy Press.

Chicago Style aipamena

Nutrition During Pregnancy: Part 1, Weight Gain Part II, Nutrient Supplements. National Academy Press, 1990.

MLA aipamena

Nutrition During Pregnancy: Part 1, Weight Gain Part II, Nutrient Supplements. National Academy Press, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.