APA-referens (7:e uppl.)

Chivian, E. (1993). Critical condition: Human health and the environment. MIT.

Chicago-referens (17:e uppl.)

Chivian, Eric. Critical Condition: Human Health and the Environment. Cambridge: MIT, 1993.

MLA-referens (9:e uppl.)

Chivian, Eric. Critical Condition: Human Health and the Environment. MIT, 1993.