David, R. J. (1999). Erap vs the mahirap. IN At large [column]. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式David, Rina Jimenez. "Erap Vs the Mahirap. IN At Large [column]." Philippine Daily Inquirer 1999.
MLA(9版)引用形式David, Rina Jimenez. "Erap Vs the Mahirap. IN At Large [column]." Philippine Daily Inquirer, 1999.
警告: この引用は必ずしも正確ではありません.