APA aipamena

Gloria Cunanan Maphouse. (1996). Index map of Ilocos Sur. Cunanan Maphouse.

Chicago Style aipamena

Gloria Cunanan Maphouse. Index Map of Ilocos Sur. Makati City: Cunanan Maphouse, 1996.

MLA aipamena

Gloria Cunanan Maphouse. Index Map of Ilocos Sur. Cunanan Maphouse, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.