Ordoñez, E. M. A new, necessary approach to agriculture. Philippine Daily Inquirer..
芝加哥风格引文Ordoñez, Ernesto M. "A New, Necessary Approach to Agriculture." Philippine Daily Inquirer. .
MLA引文Ordoñez, Ernesto M. "A New, Necessary Approach to Agriculture." Philippine Daily Inquirer., .
警告：这些引文格式不一定是100％准确.