APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.