APA (7 वां संस्करण) प्रशस्ति पत्र
Lea, J. (2003). Working in post-compulsory education. Open University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Lea, John. Working in Post-compulsory Education. Berkshire [England] ; Philadelphia, Pa.: Open University Press, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Lea, John. Working in Post-compulsory Education. Open University Press, 2003.
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