Volin, M. (1980). The quiet hour: Mental exercises and meditative practices for personal growth. Pelham.
Cita Chicago (17th ed.)Volin, Michael. The Quiet Hour: Mental Exercises and Meditative Practices for Personal Growth. London: Pelham, 1980.
Cita MLA (8th ed.)Volin, Michael. The Quiet Hour: Mental Exercises and Meditative Practices for Personal Growth. Pelham, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.