Freeman, A. M. (1993). The measurement of environmental and resource values: Theory and methods. Resources for the Future.
Style de citation Chicago (17e éd.)Freeman, A. Myrick. The Measurement of Environmental and Resource Values: Theory and Methods. Washington, D.C: Resources for the Future, 1993.
Style de citation MLA (9e éd.)Freeman, A. Myrick. The Measurement of Environmental and Resource Values: Theory and Methods. Resources for the Future, 1993.
Attention : ces citations peuvent ne pas être correctes à 100%.