CALLAN. (1996). Environmental economics & managementtheory, policy, and applications. Irwin.
Lua i Stíl Chicago (17ú heag.)CALLAN. Environmental Economics & Managementtheory, Policy, and Applications. Irwin, 1996.
Lua MLA (8ú heag.)CALLAN. Environmental Economics & Managementtheory, Policy, and Applications. Irwin, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.