Whitney, E. N., & Rolfes, S. R. (1999). Understanding nutrition (8th ed.). West/Wadsworth.
Chicago Style aipamenaWhitney, Eleanor Noss, and Sharon Rady Rolfes. Understanding Nutrition. 8th ed. Belmont: West/Wadsworth, 1999.
MLA aipamenaWhitney, Eleanor Noss, and Sharon Rady Rolfes. Understanding Nutrition. 8th ed. West/Wadsworth, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.