Freeman, A. M. (2003). Measurement of environmental and resource values: Theory and methods. Resources for the Future.
Citación estilo ChicagoFreeman, A. Myrick. Measurement of Environmental and Resource Values: Theory and Methods. Washington, DC: Resources for the Future, 2003.
Cita MLAFreeman, A. Myrick. Measurement of Environmental and Resource Values: Theory and Methods. Resources for the Future, 2003.
Warning: These citations may not always be 100% accurate.