Não informado. (1955). Forest pest leaflet. U.S. Department of Agriculture, Forest Service.
Chicagoスタイル(17版)引用形式Não informado. Forest Pest Leaflet. Washington: U.S. Department of Agriculture, Forest Service, 1955.
MLA(8版)引用形式Não informado. Forest Pest Leaflet. U.S. Department of Agriculture, Forest Service, 1955.
警告: この引用は必ずしも正確ではありません.