Dumlao, D. C. (2002). Gatchalian sells Fort Ilocandia. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Dumlao, Doris C. "Gatchalian Sells Fort Ilocandia." Philippine Daily Inquirer 2002.
MLA(9版)引用形式Dumlao, Doris C. "Gatchalian Sells Fort Ilocandia." Philippine Daily Inquirer, 2002.
警告: この引用は必ずしも正確ではありません.