Cita APA (7a ed.)

Coker, A., & Richards, C. (1992). VALUING the environment: Economic approaches to environmental evaluation : proceedings of a Workshop held at Ludgrove Hall, Middlesex Polytechnic on 13 and 14 june 1990. J. Wiley.

Cita Chicago Style (17a ed.)

Coker, Annabel, y Cathy Richards. VALUING the Environment: Economic Approaches to Environmental Evaluation : Proceedings of a Workshop Held at Ludgrove Hall, Middlesex Polytechnic on 13 and 14 June 1990. Chichester: J. Wiley, 1992.

Cita MLA (8a ed.)

Coker, Annabel, y Cathy Richards. VALUING the Environment: Economic Approaches to Environmental Evaluation : Proceedings of a Workshop Held at Ludgrove Hall, Middlesex Polytechnic on 13 and 14 June 1990. J. Wiley, 1992.