Pearsall, P. (1987). Superimmunity: Master your emotions & improve your health. McGraw-Hill Book Co.
Cita Chicago (17th ed.)Pearsall, Paul. Superimmunity: Master Your Emotions & Improve Your Health. New York: McGraw-Hill Book Co, 1987.
Cita MLA (9th ed.)Pearsall, Paul. Superimmunity: Master Your Emotions & Improve Your Health. McGraw-Hill Book Co, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.