Guerrero, A. M. (2002). A wealth of eco-cultural attractions in Ilocos region. Philippine Daily Inquirer.
Chicago (17e ed.) BronvermeldingGuerrero, Amadis Ma. "A Wealth of Eco-cultural Attractions in Ilocos Region." Philippine Daily Inquirer 2002.
MLA (9e ed.) BronvermeldingGuerrero, Amadis Ma. "A Wealth of Eco-cultural Attractions in Ilocos Region." Philippine Daily Inquirer, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.