Wellhousen, K., & Crowther, I. (2004). Creating effective learning environments. Delmar Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWellhousen, Karyn, और Ingrid Crowther. Creating Effective Learning Environments. New York: Delmar Learning, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWellhousen, Karyn, और Ingrid Crowther. Creating Effective Learning Environments. Delmar Learning, 2004.
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