APA-referens

Cunningham, W. P. (2004). Principles of environmental science: Inquiry and Applications. Boston, MA: McGraw-Hill.

Chicago-stil citat

Cunningham, William P. Principles of Environmental Science: Inquiry and Applications. Boston, MA: McGraw-Hill, 2004.

MLA-referens

Cunningham, William P. Principles of Environmental Science: Inquiry and Applications. Boston, MA: McGraw-Hill, 2004.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.