Philippines. National Mapping & Resource Information Authority. Digos. National Mapping & Resource Information Authority, 1993.
Cita Chicago (17th ed.)Philippines. National Mapping & Resource Information Authority. Digos. Makati, Metro Manila: National Mapping & Resource Information Authority, 1993.
Cita MLA (9th ed.)Philippines. National Mapping & Resource Information Authority. Digos. National Mapping & Resource Information Authority, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.