Gaya APA

Valuing recreation and the environment : revealed preference methods in theory and practice / edited by Joseph A. Herriges and Catherine L. Kling. (2002). : Cheltenham : Edward Elgar.

Gaya MLA

Valuing recreation and the environment : revealed preference methods in theory and practice / edited by Joseph A. Herriges and Catherine L. Kling. . : Cheltenham : Edward Elgar, 2002. Text.