David, R. J. (2002). Sweet solution to garbage problem. IN At large [column]. Philippine Daily Inquirer.
芝加哥风格引文David, Rina Jimenez. "Sweet Solution to Garbage Problem. IN At Large [column]." Philippine Daily Inquirer 2002.
MLA引文David, Rina Jimenez. "Sweet Solution to Garbage Problem. IN At Large [column]." Philippine Daily Inquirer, 2002.
警告：这些引文格式不一定是100％准确.