Geological Survey (U.S.). Reclamation Service. (1907). Specifications. The Service.
Chicagoスタイル(17版)引用形式Geological Survey (U.S.). Reclamation Service. Specifications. Washington, D.C.: The Service, 1907.
MLA(8版)引用形式Geological Survey (U.S.). Reclamation Service. Specifications. The Service, 1907.
警告: この引用は必ずしも正確ではありません.