APA-referens

Maxwell, N. I. (2011). Understanding Environmental Health study guide.

Chicago-stil citat

Maxwell, Nancy Irwin. Understanding Environmental Health Study Guide. London, Jones and Bartlett Publishers, 2011.

MLA-referens

Maxwell, Nancy Irwin. Understanding Environmental Health Study Guide. 2011.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.