(1999). Oil firms, mahigpit na babantayan ng kamara. Kabayan.
Chicago Style (17th ed.) Citation"Oil Firms, Mahigpit Na Babantayan Ng Kamara." Kabayan 1999.
MLA (9th ed.) Citation"Oil Firms, Mahigpit Na Babantayan Ng Kamara." Kabayan, 1999.
Warning: These citations may not always be 100% accurate.