Não informado. (2004). Iowa State journal of science. Iowa State University.
Chicagoスタイル(17版)引用形式Não informado. Iowa State Journal of Science. Ames, Iowa: Iowa State University, 2004.
MLA(8版)引用形式Não informado. Iowa State Journal of Science. Iowa State University, 2004.
警告: この引用は必ずしも正確ではありません.