Johnston, W. (1974). Silent music: The science of meditation (1st U.S. ed.). Harper & Row.
Cita Chicago Style (17a ed.)Johnston, William. Silent Music: The Science of Meditation. 1st U.S. ed. New York: Harper & Row, 1974.
Cita MLA (9a ed.)Johnston, William. Silent Music: The Science of Meditation. 1st U.S. ed. Harper & Row, 1974.
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