Gregorio, B. L. (2009). Peace and development education: An introduction to the core concepts in peace and development education for college students. C & E Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGregorio, Bienvenido L. Peace and Development Education: An Introduction to the Core Concepts in Peace and Development Education for College Students. Quezon City: C & E Pub, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGregorio, Bienvenido L. Peace and Development Education: An Introduction to the Core Concepts in Peace and Development Education for College Students. C & E Pub, 2009.
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