Παραπομπή APA

Hanley, N., Shogren, J. F., & Ben White. (1997). Environmental economics in theory and practice. Macmillan.

Παραπομπή Chicago Style

Hanley, Nick, Jason F. Shogren, και Ben White. Environmental Economics in Theory and Practice. New Delhi: Macmillan, 1997.

Παραπομπή MLA

Hanley, Nick, et al. Environmental Economics in Theory and Practice. Macmillan, 1997.