Villanueva, M. A. (2003). Without legislation, gov't has no choice but to enforce Clean Air Act. Philippine Star.
Style de citation Chicago (17e éd.)Villanueva, Marichu A. "Without Legislation, Gov't Has No Choice but to Enforce Clean Air Act." Philippine Star 2003.
Style de citation MLA (9e éd.)Villanueva, Marichu A. "Without Legislation, Gov't Has No Choice but to Enforce Clean Air Act." Philippine Star, 2003.
Attention : ces citations peuvent ne pas être correctes à 100%.