Freeman, A. M. (1993). The measurement of environmental and resource values: Theory and methods. Resources for the Future.
Chicagoスタイル(17版)引用形式Freeman, A. Myrick. The Measurement of Environmental and Resource Values: Theory and Methods. Washington, D.C: Resources for the Future, 1993.
MLA(9版)引用形式Freeman, A. Myrick. The Measurement of Environmental and Resource Values: Theory and Methods. Resources for the Future, 1993.
警告: この引用は必ずしも正確ではありません.