Não informado. (2013). Social Development Issues. University of Iowa, School of Social Work.
Chicago-Zitierstil (17. Ausg.)Não informado. Social Development Issues. Iowa City, Iowa: University of Iowa, School of Social Work, 2013.
MLA-Zitierstil (8. Ausg.)Não informado. Social Development Issues. University of Iowa, School of Social Work, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.