Lawrence, S. J. (1978). Challenges in piano teaching: One to one lessons for the handicapped and others. Workshop music teaching.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLawrence, Sidney J. Challenges in Piano Teaching: One to One Lessons for the Handicapped and Others. New York: Workshop music teaching, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLawrence, Sidney J. Challenges in Piano Teaching: One to One Lessons for the Handicapped and Others. Workshop music teaching, 1978.
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