Roces, A. R. (2001). First anti-drug summit. IN Roses and thorns [column]. Philippine Star.
Chicagoスタイル(17版)引用形式Roces, Alejandro R. "First Anti-drug Summit. IN Roses and Thorns [column]." Philippine Star 2001.
MLA(9版)引用形式Roces, Alejandro R. "First Anti-drug Summit. IN Roses and Thorns [column]." Philippine Star, 2001.
警告: この引用は必ずしも正確ではありません.