Nussel, E. J., Inglis, J. D., & Wiersma, W. (1976). The teacher and individually guided education. Addison-Wesley Pub. Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNussel, Edward J., Joan D. Inglis, और William Wiersma. The Teacher and Individually Guided Education. Reading, Mass.: Addison-Wesley Pub. Co., 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNussel, Edward J., et al. The Teacher and Individually Guided Education. Addison-Wesley Pub. Co., 1976.
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