Não informado. (2013). Social Development Issues. University of Iowa, School of Social Work.
Lua i Stíl Chicago (17ú heag.)Não informado. Social Development Issues. Iowa City, Iowa: University of Iowa, School of Social Work, 2013.
Lua MLA (8ú heag.)Não informado. Social Development Issues. University of Iowa, School of Social Work, 2013.
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