Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.