Santos, A. (1999). Harnessing culture to save environment. Philippine Daily Inquirer.
芝加哥风格引文Santos, Al. "Harnessing Culture to Save Environment." Philippine Daily Inquirer 1999.
MLA引文Santos, Al. "Harnessing Culture to Save Environment." Philippine Daily Inquirer, 1999.
警告：这些引文格式不一定是100％准确.