Citazione Stile APA (7a Edizione)

Hecht, J. E. (1999). The economic value of the environment: Cases from South and Southeast Asia. IUCN.

Citazione stile Chigago Style (17a edizione)

Hecht, Joy E. The Economic Value of the Environment: Cases from South and Southeast Asia. Gland, Switzerland: IUCN, 1999.

Citatione MLA (9a ed.)

Hecht, Joy E. The Economic Value of the Environment: Cases from South and Southeast Asia. IUCN, 1999.