APA aipamena

Calica, M. A. L. (2005). GMA vows to break oil cartel. Philippine Star.

Chicago Style aipamena

Calica, Ma. Aurea L. "GMA Vows to Break Oil Cartel." Philippine Star 2005.

MLA aipamena

Calica, Ma. Aurea L. "GMA Vows to Break Oil Cartel." Philippine Star, 2005.