APA
Bjornstad D. J. (., Kahn J. R. (., . (1996). The contingent valuation of environmental resources: Methodo. Cheltenhem: Edward Elgar.
Chicago
Bjornstad David J (ed), Kahn James R (ed), . 1996. The contingent valuation of environmental resources: Methodo. Cheltenhem: Edward Elgar.
Harvard
Bjornstad D. J. (., Kahn J. R. (., . (1996). The contingent valuation of environmental resources: Methodo. Cheltenhem: Edward Elgar.
MLA
Bjornstad David J (ed), Kahn James R (ed), . The contingent valuation of environmental resources: Methodo. Cheltenhem: Edward Elgar. 1996.