APA(7版)引用形式

Sigua, R. G. (2000). The state of road safety in the Philippines. Public Policy.

Chicagoスタイル(17版)引用形式

Sigua, Ricardo G. "The State of Road Safety in the Philippines." Public Policy 2000.

MLA(9版)引用形式

Sigua, Ricardo G. "The State of Road Safety in the Philippines." Public Policy, 2000.

警告: この引用は必ずしも正確ではありません.