APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.