Freeman, A. M. (2003). 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. Measurement of Environmental and Resource Values: Theory and Methods. Washington, DC: Resources for the Future, 2003.
MLA(9版)引用形式Freeman, A. Myrick. Measurement of Environmental and Resource Values: Theory and Methods. Resources for the Future, 2003.
警告: この引用は必ずしも正確ではありません.