Volin, M. (1980). The quiet hour: Mental exercises and meditative practices for personal growth. Pelham.
Citace podle Chicago (17th ed.)Volin, Michael. The Quiet Hour: Mental Exercises and Meditative Practices for Personal Growth. London: Pelham, 1980.
Citace podle MLA (8th ed.)Volin, Michael. The Quiet Hour: Mental Exercises and Meditative Practices for Personal Growth. Pelham, 1980.
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