APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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