Pearsall, P. (1987). Superimmunity: Master your emotions & improve your health. McGraw-Hill Book Co.
Chicago-referens (17:e uppl.)Pearsall, Paul. Superimmunity: Master Your Emotions & Improve Your Health. New York: McGraw-Hill Book Co, 1987.
MLA-referens (9:e uppl.)Pearsall, Paul. Superimmunity: Master Your Emotions & Improve Your Health. McGraw-Hill Book Co, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.