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