Philippines. Mapping and Resource Information Authority. (1996). Region XIII: Caraga (Ed. 1, January, 1996.). National Mapping and Resource Information Authority.
Chicago-referens (17:e uppl.)Philippines. Mapping and Resource Information Authority. Region XIII: Caraga. Ed. 1, January, 1996. Makati, Metro Manila: National Mapping and Resource Information Authority, 1996.
MLA-referens (9:e uppl.)Philippines. Mapping and Resource Information Authority. Region XIII: Caraga. Ed. 1, January, 1996. National Mapping and Resource Information Authority, 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.