Balch, J. F., & By Balch , P. A. (1997). Prescription for nutritional healing (2nd ed.). Avery.
Chicago Style (17th ed.) ZitazioaBalch, James F., eta Phyllis A. By Balch. Prescription for Nutritional Healing. 2nd ed. New York: Avery, 1997.
MLA (9th ed.) ZitazioaBalch, James F., eta Phyllis A. By Balch. Prescription for Nutritional Healing. 2nd ed. Avery, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.