Yelaja, S. A. (1971). Authority and social work: Concept and use. University of Toronto Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYelaja, Shankar A. Authority and Social Work: Concept and Use. [Toronto]: University of Toronto Press, 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्रYelaja, Shankar A. Authority and Social Work: Concept and Use. University of Toronto Press, 1971.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.