Não informado. (1949). Special scientific report. U.S. Fish and Wildlife Service.
Chicagoスタイル(17版)引用形式Não informado. Special Scientific Report. Seattle, Wash: U.S. Fish and Wildlife Service, 1949.
MLA(8版)引用形式Não informado. Special Scientific Report. U.S. Fish and Wildlife Service, 1949.
警告: この引用は必ずしも正確ではありません.