Não informado. (1948). Speculum. Ohio State University, College of Veterinary Medicine.
Chicagoスタイル(17版)引用形式Não informado. Speculum. Columbus, Ohio: Ohio State University, College of Veterinary Medicine, 1948.
MLA(8版)引用形式Não informado. Speculum. Ohio State University, College of Veterinary Medicine, 1948.
警告: この引用は必ずしも正確ではありません.