APA-referens

Cunningham, W. P. (2006). Principles of environmental science: Inquiry and applications. Boston: McGraw-Hill.

Chicago-stil citat

Cunningham, William P. Principles of Environmental Science: Inquiry and Applications. Boston: McGraw-Hill, 2006.

MLA-referens

Cunningham, William P. Principles of Environmental Science: Inquiry and Applications. Boston: McGraw-Hill, 2006.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.