APA aipamena

Villanueva, M. A., Echeminada, P., & Diaz, J. (1999). Finally, Clean Air Act signed into law. Philippine Star.

Chicago Style aipamena

Villanueva, Marichu A., Perseus Echeminada, and Jess Diaz. "Finally, Clean Air Act Signed into Law." Philippine Star 1999.

MLA aipamena

Villanueva, Marichu A., et al. "Finally, Clean Air Act Signed into Law." Philippine Star, 1999.