APA-referens

Cunninggham, W. P. (1999). Student study guide to accompany environmental science: A global concern. WCB/McGraw-Hill.

Chicago-stil citat

Cunninggham, William P. Student Study Guide to Accompany Environmental Science: A Global Concern. WCB/McGraw-Hill, 1999.

MLA-referens

Cunninggham, William P. Student Study Guide to Accompany Environmental Science: A Global Concern. WCB/McGraw-Hill, 1999.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.