ebrary, Inc, Ferguson, R., Pence, A. R., & Denholm, C. J. (1993). Professional child and youth care (2nd ed.). UBC Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, Roy Ferguson, Alan R. Pence, और Carey J. Denholm. Professional Child and Youth Care. 2nd ed. Vancouver: UBC Press, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, et al. Professional Child and Youth Care. 2nd ed. UBC Press, 1993.
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