Citazione APA

Hanley, N., & Barbier, E. (2009). Pricing nature: Cost- benifit analyisis and Environmental policy. Edward Elgar.

Stile di citazione Chicago

Hanley, Nick, e Edward Barbier. Pricing Nature: Cost- Benifit Analyisis and Environmental Policy. Cheltenham, UK ; Northampton, MA: Edward Elgar, 2009.

Citazione MLA

Hanley, Nick, e Edward Barbier. Pricing Nature: Cost- Benifit Analyisis and Environmental Policy. Edward Elgar, 2009.