Guerrero, A. M. (2002). A wealth of eco-cultural attractions in Ilocos region. Philippine Daily Inquirer.
Citazione stile Chigago Style (17a edizione)Guerrero, Amadis Ma. "A Wealth of Eco-cultural Attractions in Ilocos Region." Philippine Daily Inquirer 2002.
Citatione MLA (9a ed.)Guerrero, Amadis Ma. "A Wealth of Eco-cultural Attractions in Ilocos Region." Philippine Daily Inquirer, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.