Παραπομπή APA

Tietenberg,Tom. (1998). Environmental economics and policy (2.). Addison - Wesley.

Παραπομπή Chicago Style

Tietenberg,Tom. Environmental Economics and Policy. 2. Massachusetts: Addison - Wesley, 1998.

Παραπομπή MLA

Tietenberg,Tom. Environmental Economics and Policy. 2. Addison - Wesley, 1998.