Werbach, Melvyn R.
Healing through nutrition : a natural approach to treating illness with diet and nutrients
Thorsons, 1993
 Buku Referensi
Murray, Michael T.
Encyclopedia of Nutritional Supplements : The Essential Guide for Improving Yur Health Naturally
Three Rivers Press, 1996
 Buku Teks
Stevenson, Gladys T.
Introduction to foods and nutrition
John Wiley & Sons, 1960
 Buku Teks
The concise encyclopedia of living faiths
Hutchinson, 1959
 Buku Referensi
Concise encyclopedia of mineral resources
editors, Donald D. Carr, Norman Herz
Pergamon Press, 1989
 Buku Referensi