APA (7th ed.) Citation

Ilocos region: Abra, Benguet, Ilocos Norte, Ilocos Sur, Mt. Province, La Union. s.n.

Chicago Style (17th ed.) Citation

Ilocos Region: Abra, Benguet, Ilocos Norte, Ilocos Sur, Mt. Province, La Union. [S.l: s.n.

MLA (9th ed.) Citation

Ilocos Region: Abra, Benguet, Ilocos Norte, Ilocos Sur, Mt. Province, La Union. s.n.

Warning: These citations may not always be 100% accurate.