ZILBERGELD BERNIE. (1987). MIND POWER: GETTING WHAT YOU WANT THROUGH MENTAL TRAINING. IVY PUBLISHING HOUSE.
Chicago-viite (17. p.)ZILBERGELD BERNIE. MIND POWER: GETTING WHAT YOU WANT THROUGH MENTAL TRAINING. NEW YORK: IVY PUBLISHING HOUSE, 1987.
MLA-viite (9. p.)ZILBERGELD BERNIE. MIND POWER: GETTING WHAT YOU WANT THROUGH MENTAL TRAINING. IVY PUBLISHING HOUSE, 1987.
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