APA (7th ed.) Zitazioa

Cunningham, W. P., & Cunningham, M. A. (2002). Principles of Environmental Science: Inquiry and Applications. Tata McGraw-Hill Publishing Company Limited.

Chicago Style (17th ed.) Zitazioa

Cunningham, William P., eta Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. New Delhi: Tata McGraw-Hill Publishing Company Limited, 2002.

MLA (9th ed.) Zitazioa

Cunningham, William P., eta Mary Ann Cunningham. Principles of Environmental Science: Inquiry and Applications. Tata McGraw-Hill Publishing Company Limited, 2002.