Citazione Stile APA (7a Edizione)

Diaz, J. (2005). Small oil firms now part of oil cartel - lawmaker. Philippine Star.

Citazione stile Chigago Style (17a edizione)

Diaz, Jess. "Small Oil Firms Now Part of Oil Cartel - Lawmaker." Philippine Star 2005.

Citatione MLA (9a ed.)

Diaz, Jess. "Small Oil Firms Now Part of Oil Cartel - Lawmaker." Philippine Star, 2005.