APA ציטוט

CALLAN. (1996). Environmental economics & managementtheory, policy, and applications. Irwin.

Chicago Style (17th ed.) Citation

CALLAN. Environmental Economics & Managementtheory, Policy, and Applications. Irwin, 1996.

ציטוט MLA

CALLAN. Environmental Economics & Managementtheory, Policy, and Applications. Irwin, 1996.