Frazier, A. (1972). Open schools for children. Association for Supervision and Curriculum Development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFrazier, Alexander. Open Schools for Children. Washington, DC: Association for Supervision and Curriculum Development, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFrazier, Alexander. Open Schools for Children. Association for Supervision and Curriculum Development, 1972.
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