Hecht, J. E. (1999). The economic value of the environment: Cases from South and Southeast Asia. IUCN.
Cita Chicago (17th ed.)Hecht, Joy E. The Economic Value of the Environment: Cases from South and Southeast Asia. Gland, Switzerland: IUCN, 1999.
Cita MLA (9th ed.)Hecht, Joy E. The Economic Value of the Environment: Cases from South and Southeast Asia. IUCN, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.