APA-referens

Callan, S. (1996). Environmental economics and managerment: Theory, policy, and applications. Chcago: Irwin.

Chicago-stil citat

Callan, Scott. Environmental Economics and Managerment: Theory, Policy, and Applications. Chcago: Irwin, 1996.

MLA-referens

Callan, Scott. Environmental Economics and Managerment: Theory, Policy, and Applications. Chcago: Irwin, 1996.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.