APA aipamena

Philippines. National Mapping and Resource Information Authority. El Nido. National Mapping and Resource Information Authority, 1988.

Chicago Style aipamena

Philippines. National Mapping and Resource Information Authority. El Nido. Makati, [Metro Manila]: National Mapping and Resource Information Authority, 1988.

MLA aipamena

Philippines. National Mapping and Resource Information Authority. El Nido. National Mapping and Resource Information Authority, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.