Roces, A. R. (2002). Constitution Day. IN Roses & Thorns [column]. Philippine Star.
芝加哥风格引文Roces, Alejandro R. "Constitution Day. IN Roses & Thorns [column]." Philippine Star 2002.
MLA引文Roces, Alejandro R. "Constitution Day. IN Roses & Thorns [column]." Philippine Star, 2002.
警告：这些引文格式不一定是100％准确.