APA-referens (7:e uppl.)
Hackett, S. C. (2006). Environmental and natural resources economics: Theory, policy, and the sustainable society (3rd ed.). M.E. Sharpe.
Chicago-referens (17:e uppl.)
Hackett, Steven C. Environmental and Natural Resources Economics: Theory, Policy, and the Sustainable Society. 3rd ed. Armonk, N.Y.: M.E. Sharpe, 2006.
MLA-referens (9:e uppl.)
Hackett, Steven C. Environmental and Natural Resources Economics: Theory, Policy, and the Sustainable Society. 3rd ed. M.E. Sharpe, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.