APA (7 वां संस्करण) प्रशस्ति पत्र
Harkin, J., Turner, G., & Dawn, T. (2001). Teaching young adults: A handbook for teachers in further education. RoutledgeFalmer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Harkin, Joe, Gill Turner, और Trevor Dawn. Teaching Young Adults: A Handbook for Teachers in Further Education. London: RoutledgeFalmer, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Harkin, Joe, et al. Teaching Young Adults: A Handbook for Teachers in Further Education. RoutledgeFalmer, 2001.
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