Não informado. (1930). Iowa veterinarian. Iowa Veterinary Medical Association.
Chicagoスタイル(17版)引用形式Não informado. Iowa Veterinarian. Ames, Iowa: Iowa Veterinary Medical Association, 1930.
MLA(8版)引用形式Não informado. Iowa Veterinarian. Iowa Veterinary Medical Association, 1930.
警告: この引用は必ずしも正確ではありません.