Spencer, D. A. (1974). The National Pesticide monitoring program: An overview of the first ten years of the program’s operation. Washington: National Agricultural Chemicals Association.
シカゴスタイル引用形Spencer, Donald A. The National Pesticide Monitoring Program: An Overview of the First Ten Years of the Program’s Operation. Washington: National Agricultural Chemicals Association, 1974.
MLA引用形式Spencer, Donald A. The National Pesticide Monitoring Program: An Overview of the First Ten Years of the Program’s Operation. Washington: National Agricultural Chemicals Association, 1974.
警告: この引用は必ずしも正確ではありません.