ZILBERGELD BERNIE. (1987). MIND POWER: GETTING WHAT YOU WANT THROUGH MENTAL TRAINING. IVY PUBLISHING HOUSE.
Cita Chicago (17th ed.)ZILBERGELD BERNIE. MIND POWER: GETTING WHAT YOU WANT THROUGH MENTAL TRAINING. NEW YORK: IVY PUBLISHING HOUSE, 1987.
Cita MLA (9th ed.)ZILBERGELD BERNIE. MIND POWER: GETTING WHAT YOU WANT THROUGH MENTAL TRAINING. IVY PUBLISHING HOUSE, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.