Title. (1995). IBON Philippines profile: Region 1: Ilocos Region (First ed.). IBON Philippines Databank & Research Center.
Style de citation Chicago (17e éd.)Title. IBON Philippines Profile: Region 1: Ilocos Region. First ed. Manila: IBON Philippines Databank & Research Center, 1995.
Style de citation MLA (9e éd.)Title. IBON Philippines Profile: Region 1: Ilocos Region. First ed. IBON Philippines Databank & Research Center, 1995.
Attention : ces citations peuvent ne pas être correctes à 100%.