APA (7e ed.) Bronvermelding

Villanueva, M. A. (2003). Without legislation, gov't has no choice but to enforce Clean Air Act. Philippine Star.

Chicago (17e ed.) Bronvermelding

Villanueva, Marichu A. "Without Legislation, Gov't Has No Choice but to Enforce Clean Air Act." Philippine Star 2003.

MLA (9e ed.) Bronvermelding

Villanueva, Marichu A. "Without Legislation, Gov't Has No Choice but to Enforce Clean Air Act." Philippine Star, 2003.