Cita APA

Freeman, A. M. (2003). The measurement of environmental and resource values: Theory and methods (2nd ed.). Washington, D.C.: Resources for the future.

Citación estilo Chicago

Freeman, A. Myrick. The Measurement of Environmental and Resource Values: Theory and Methods. 2nd ed. Washington, D.C.: Resources for the future, 2003.

Cita MLA

Freeman, A. Myrick. The Measurement of Environmental and Resource Values: Theory and Methods. 2nd ed. Washington, D.C.: Resources for the future, 2003.