Depasupil, W. B. (2002). DPWH: Millions spent for Smart traffic light system. Manila Times.
Chicagoスタイル(17版)引用形式Depasupil, William B. "DPWH: Millions Spent for Smart Traffic Light System." Manila Times 2002.
MLA(9版)引用形式Depasupil, William B. "DPWH: Millions Spent for Smart Traffic Light System." Manila Times, 2002.
警告: この引用は必ずしも正確ではありません.