APA引文

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

芝加哥风格引文

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

MLA引文

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

警告：这些引文格式不一定是100％准确.