Não informado. (1971). The British Journal of Social Work. British Association of Social Workers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. The British Journal of Social Work. Oxford, Inglaterra: British Association of Social Workers, 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. The British Journal of Social Work. British Association of Social Workers, 1971.
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