Romero, P. (2008). GMA orders mandatory fuel, energy conservation for gov't offices. Philippine Star.
Chicago-referens (17:e uppl.)Romero, Paolo. "GMA Orders Mandatory Fuel, Energy Conservation for Gov't Offices." Philippine Star 2008.
MLA-referens (9:e uppl.)Romero, Paolo. "GMA Orders Mandatory Fuel, Energy Conservation for Gov't Offices." Philippine Star, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.