Caldez, E. (2001). 28 Cagayan towns listed as hot spots. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Caldez, Estanislao. "28 Cagayan Towns Listed as Hot Spots." Philippine Daily Inquirer 2001.
MLA(9版)引用形式Caldez, Estanislao. "28 Cagayan Towns Listed as Hot Spots." Philippine Daily Inquirer, 2001.
警告: この引用は必ずしも正確ではありません.