Villa, R. L. (1999). House approve 3 environment bills. Manila Bulletin.
Chicagoスタイル(17版)引用形式Villa, Rod L. "House Approve 3 Environment Bills." Manila Bulletin 1999.
MLA(9版)引用形式Villa, Rod L. "House Approve 3 Environment Bills." Manila Bulletin, 1999.
警告: この引用は必ずしも正確ではありません.