Philippines. National Mapping & Resource Information Authority. Cagayan de Oro City. National Mapping and Resource Information Authority, 1989.
Chicago-referens (17:e uppl.)Philippines. National Mapping & Resource Information Authority. Cagayan De Oro City. Makati, Metro Manila: National Mapping and Resource Information Authority, 1989.
MLA-referens (9:e uppl.)Philippines. National Mapping & Resource Information Authority. Cagayan De Oro City. National Mapping and Resource Information Authority, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.