De Nobile, J., Lyons, G., & Arthur-Kelly, M. (2017). Positive learning environments: Creating and maintaining productive classrooms. Cengage Learning Australia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDe Nobile, John, Gordon Lyons, और Michael Arthur-Kelly. Positive Learning Environments: Creating and Maintaining Productive Classrooms. South Melbourne, Victoria, Australia: Cengage Learning Australia, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDe Nobile, John, et al. Positive Learning Environments: Creating and Maintaining Productive Classrooms. Cengage Learning Australia, 2017.
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