Balch, J. F., & Blach, P. A. (1997). Prescription for nutritional healing (2nd ed.). Avery Pub. Group.
Cita Chicago (17th ed.)Balch, James F., i Phyllis A. Blach. Prescription for Nutritional Healing. 2nd ed. Garden City Park, N.Y: Avery Pub. Group, 1997.
Cita MLA (9th ed.)Balch, James F., i Phyllis A. Blach. Prescription for Nutritional Healing. 2nd ed. Avery Pub. Group, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.