Παραπομπή σε μορφή APA (7η εκδ.)

Hackett, S. C. (2001). Environmental and natural resources economics: Theory, policy, and the sustainable society (2nd ed.). M.E. Sharpe.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hackett, Steven C. Environmental and Natural Resources Economics: Theory, Policy, and the Sustainable Society. 2nd ed. Armonk, N.Y.: M.E. Sharpe, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hackett, Steven C. Environmental and Natural Resources Economics: Theory, Policy, and the Sustainable Society. 2nd ed. M.E. Sharpe, 2001.