Hanley, N., Shogren, J. F., & White, B. (2001). Introduction to environmental economics. Oxford University Press.
Citazione stile Chigago Style (17a edizione)Hanley, Nick, Jason F. Shogren, e Ben White. Introduction to Environmental Economics. Oxford: Oxford University Press, 2001.
Citatione MLA (9a ed.)Hanley, Nick, et al. Introduction to Environmental Economics. Oxford University Press, 2001.