Cita APA (7a ed.)

Gamboa, R. B. Oil industry is a free market. IN Business Leisure. The Philippine Star.

Cita Chicago Style (17a ed.)

Gamboa, Ray Butch. "Oil Industry Is a Free Market. IN Business Leisure." The Philippine Star .

Cita MLA (9a ed.)

Gamboa, Ray Butch. "Oil Industry Is a Free Market. IN Business Leisure." The Philippine Star, .