Simon, S. B., Howe, L. W., & Kirschenbaum, H. (1972). Values clarification: A handbook of practical strategies for teachers and students. Hart Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSimon, Sidney B., Leland W. Howe, और Howard Kirschenbaum. Values Clarification: A Handbook of Practical Strategies for Teachers and Students. New York: Hart Pub, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSimon, Sidney B., et al. Values Clarification: A Handbook of Practical Strategies for Teachers and Students. Hart Pub, 1972.
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