Dyfyniad APA

ebrary, Inc, & Forgács, N. (2010). Enforcing federal pollution control laws. Nova Science Publishers.

Dyfyniad Arddull Chicago

ebrary, Inc, and Norbert Forgács. Enforcing Federal Pollution Control Laws. New York: Nova Science Publishers, 2010.

Dyfyniad MLA

ebrary, Inc, and Norbert Forgács. Enforcing Federal Pollution Control Laws. Nova Science Publishers, 2010.

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