Não informado. (2001). Iowa State journal of research. Iowa State University.
Chicagoスタイル(17版)引用形式Não informado. Iowa State Journal of Research. Ames, Iowa: Iowa State University, 2001.
MLA(8版)引用形式Não informado. Iowa State Journal of Research. Iowa State University, 2001.
警告: この引用は必ずしも正確ではありません.