APA aipamena

Cunningham, W. P., & Cunningham, M. A. (2007). Principles of environmrntal science: Inquiry and applications (4th.). Tata McGraw-Hill.

Chicago Style aipamena

Cunningham, William P., and Mary Ann Cunningham. Principles of Environmrntal Science: Inquiry and Applications. 4th. New Delhi: Tata McGraw-Hill, 2007.

MLA aipamena

Cunningham, William P., and Mary Ann Cunningham. Principles of Environmrntal Science: Inquiry and Applications. 4th. Tata McGraw-Hill, 2007.