Vergara, A. Y. (2002). The discipline of green. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Vergara, Alex Y. "The Discipline of Green." Philippine Daily Inquirer 2002.
MLA(9版)引用形式Vergara, Alex Y. "The Discipline of Green." Philippine Daily Inquirer, 2002.
警告: この引用は必ずしも正確ではありません.