Heinerman, J. (1997). Nature's super seven medicine: The seven essential ingredients for optimal health. Prentice Hall.
Chicago-referens (17:e uppl.)Heinerman, John. Nature's Super Seven Medicine: The Seven Essential Ingredients for Optimal Health. Englewoood Cliffs, NJ: Prentice Hall, 1997.
MLA-referens (9:e uppl.)Heinerman, John. Nature's Super Seven Medicine: The Seven Essential Ingredients for Optimal Health. Prentice Hall, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.