Παραπομπή APA

Mongillo, J. (2004). Teen guides to Environmental science Vol 4, Human impact on the environment.

Παραπομπή Chicago Style

Mongillo, John. Teen Guides to Environmental Science Vol 4, Human Impact on the Environment. Westport, Greenwood Press, 2004.

Παραπομπή MLA

Mongillo, John. Teen Guides to Environmental Science Vol 4, Human Impact on the Environment. 2004.