Gaya APA

S, B, S, W, B. (1989). Nutrition in pregnancy and lactation . Sebastopol, CA: Times Mirror/Mosby College Publishing.

Gaya MLA

S, Bonnie, S, Worthington-Roberts,, Bonnie. "Nutrition in pregnancy and lactation". Sebastopol, CA: Times Mirror/Mosby College Publishing, 1989. Text.