APA (7 वां संस्करण) प्रशस्ति पत्र
Lisman, C. D., & Harvey, I. E. (2006). Beyond the tower: Concepts and models for service-learning in philosophy. Stylus.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Lisman, C. David, और Irene E. Harvey. Beyond the Tower: Concepts and Models for Service-learning in Philosophy. Sterling, Virginia: Stylus, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Lisman, C. David, और Irene E. Harvey. Beyond the Tower: Concepts and Models for Service-learning in Philosophy. Stylus, 2006.
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