APA-Zitierstil (7. Ausg.)

Pennell, A. A. (1992). Business and the environment: A resource guide. Island Press.

Chicago-Zitierstil (17. Ausg.)

Pennell, Allison A. Business and the Environment: A Resource Guide. Washington, DC [u.a.]: Island Press, 1992.

MLA-Zitierstil (9. Ausg.)

Pennell, Allison A. Business and the Environment: A Resource Guide. Island Press, 1992.