Não informado. (1994). Social work abstracts. National Association of Social Workers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Social Work Abstracts. Washington: National Association of Social Workers, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Social Work Abstracts. National Association of Social Workers, 1994.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.