APA引文

Rivera, D. PetroEnergy, partners extend West Africa oil concession. The Philippine Star.

Chicago Style (17th ed.) Citation

Rivera, Danessa. "PetroEnergy, Partners Extend West Africa Oil Concession." The Philippine Star .

MLA引文

Rivera, Danessa. "PetroEnergy, Partners Extend West Africa Oil Concession." The Philippine Star, .

警告：這些引文格式不一定是100％准確.