Lesser,Jonathan A, & Dodds,Daniel E. (1997). Environmental economics and policy. Addison-Wesley.
Chicago Style aipamenaLesser,Jonathan A, and Dodds,Daniel E. Environmental Economics and Policy. Massachussetts: Addison-Wesley, 1997.
MLA aipamenaLesser,Jonathan A, and Dodds,Daniel E. Environmental Economics and Policy. Addison-Wesley, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.