APA (7 वां संस्करण) प्रशस्ति पत्र

Não informado. (2013). Social Development Issues. University of Iowa, School of Social Work.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Não informado. Social Development Issues. Iowa City, Iowa: University of Iowa, School of Social Work, 2013.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Não informado. Social Development Issues. University of Iowa, School of Social Work, 2013.

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