Vartabedian, R. E., & Matthews, K. (1990). Nutripoints: The breakthrough point system for optimal nutrition. Harper & Row.
Cita Chicago (17th ed.)Vartabedian, Roy E., i Kathy Matthews. Nutripoints: The Breakthrough Point System for Optimal Nutrition. New York: Harper & Row, 1990.
Cita MLA (9th ed.)Vartabedian, Roy E., i Kathy Matthews. Nutripoints: The Breakthrough Point System for Optimal Nutrition. Harper & Row, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.