APA(7版)引用形式

Agustin, C. L. (2001). A national ID number system. IN Opinion [column]. Philippine Star.

Chicagoスタイル(17版)引用形式

Agustin, Carlos L. "A National ID Number System. IN Opinion [column]." Philippine Star 2001.

MLA(9版)引用形式

Agustin, Carlos L. "A National ID Number System. IN Opinion [column]." Philippine Star, 2001.

警告: この引用は必ずしも正確ではありません.