Não informado. (2001). Annual Report of the Social Service Department of the Massachusetts General Hospital. Massachusetts General Hospital.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Annual Report of the Social Service Department of the Massachusetts General Hospital. Boston, Mass: Massachusetts General Hospital, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Annual Report of the Social Service Department of the Massachusetts General Hospital. Massachusetts General Hospital, 2001.
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