Guerrero, A. M. (2002). A wealth of eco-cultural attractions in Ilocos region. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Guerrero, Amadis Ma. "A Wealth of Eco-cultural Attractions in Ilocos Region." Philippine Daily Inquirer 2002.
MLA(9版)引用形式Guerrero, Amadis Ma. "A Wealth of Eco-cultural Attractions in Ilocos Region." Philippine Daily Inquirer, 2002.
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