Heinerman, J. (1997). Nature's super seven medicine: The seven essential ingredients for optimal health. Prentice Hall.
Cita Chicago (17th ed.)Heinerman, John. Nature's Super Seven Medicine: The Seven Essential Ingredients for Optimal Health. Englewoood Cliffs, NJ: Prentice Hall, 1997.
Cita MLA (9th ed.)Heinerman, John. Nature's Super Seven Medicine: The Seven Essential Ingredients for Optimal Health. Prentice Hall, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.