Aronstein, L. W., & Olsen, E. G. (1974). Action learning: Student community service projects. Association for Supervision and Curriculum Development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAronstein, Laurence W., और Edward G. Olsen. Action Learning: Student Community Service Projects. Washington, DC: Association for Supervision and Curriculum Development, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAronstein, Laurence W., और Edward G. Olsen. Action Learning: Student Community Service Projects. Association for Supervision and Curriculum Development, 1974.
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