Cita APA

Philippines. National Mapping & Resource Information Authority. Laoag. National Mapping & Resource Information Authority, 1990.

Citación estilo Chicago

Philippines. National Mapping & Resource Information Authority. Laoag. Makati, Metro Manila: National Mapping & Resource Information Authority, 1990.

Cita MLA

Philippines. National Mapping & Resource Information Authority. Laoag. National Mapping & Resource Information Authority, 1990.

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