APA সাইটেশন

Cunningham, W. P. (2008). Principles of environmental science: Inquiry & applications. New York: McGraw-Hill.

শিকাগো স্টাইলে সাইটেশন

Cunningham, William P. Principles of Environmental Science: Inquiry & Applications. New York: McGraw-Hill, 2008.

এমএলএ সাইটেশন

Cunningham, William P. Principles of Environmental Science: Inquiry & Applications. New York: McGraw-Hill, 2008.