Não informado. (1967). Zoonoses surveillance. Communicable Disease Center.
Chicagoスタイル(17版)引用形式Não informado. Zoonoses Surveillance. Atlanta, Ga: Communicable Disease Center, 1967.
MLA(8版)引用形式Não informado. Zoonoses Surveillance. Communicable Disease Center, 1967.
警告: この引用は必ずしも正確ではありません.