Zirpoli, T. J. (1995). Understanding and affecting the behavior of young children. Merrill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZirpoli, Thomas J. Understanding and Affecting the Behavior of Young Children. Englewood Cliffs, N.J: Merrill, 1995.
एमएलए (9वां संस्करण) प्रशस्ति पत्रZirpoli, Thomas J. Understanding and Affecting the Behavior of Young Children. Merrill, 1995.
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