Não informado. (1970). Research report. Bureau of Sport Fisheries and Wildlife.
Chicagoスタイル(17版)引用形式Não informado. Research Report. Washington: Bureau of Sport Fisheries and Wildlife, 1970.
MLA(8版)引用形式Não informado. Research Report. Bureau of Sport Fisheries and Wildlife, 1970.
警告: この引用は必ずしも正確ではありません.