Perez, D. (1999). Enerygy consumers wary of industry monopoly. Manila Bulletin.
Chicagoスタイル(17版)引用形式Perez, Delfin. "Enerygy Consumers Wary of Industry Monopoly." Manila Bulletin 1999.
MLA(9版)引用形式Perez, Delfin. "Enerygy Consumers Wary of Industry Monopoly." Manila Bulletin, 1999.
警告: この引用は必ずしも正確ではありません.