Nuyda, D. G. (1999). Read environment save environment. IN Seeing green [column]. Philippine Daily Inquirer.
芝加哥风格引文Nuyda, Doris G. "Read Environment Save Environment. IN Seeing Green [column]." Philippine Daily Inquirer 1999.
MLA引文Nuyda, Doris G. "Read Environment Save Environment. IN Seeing Green [column]." Philippine Daily Inquirer, 1999.
警告：这些引文格式不一定是100％准确.