Não informado. (2000). University of Iowa studies. University of Iowa.
Chicagoスタイル(17版)引用形式Não informado. University of Iowa Studies. Iowa City, Iowa: University of Iowa, 2000.
MLA(8版)引用形式Não informado. University of Iowa Studies. University of Iowa, 2000.
警告: この引用は必ずしも正確ではありません.