Não informado. (1959). Iowa State University veterinarian. Iowa State University.
Chicagoスタイル(17版)引用形式Não informado. Iowa State University Veterinarian. Ames, Iowa: Iowa State University, 1959.
MLA(8版)引用形式Não informado. Iowa State University Veterinarian. Iowa State University, 1959.
警告: この引用は必ずしも正確ではありません.