Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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