Philippines. National Mapping and Resource Information Authority. Cotabato City. National Mapping and Resource Information Authority, 1988.
Citazione stile Chigago Style (17a edizione)Philippines. National Mapping and Resource Information Authority. Cotabato City. Makati, [Metro Manila]: National Mapping and Resource Information Authority, 1988.
Citatione MLA (9a ed.)Philippines. National Mapping and Resource Information Authority. Cotabato City. National Mapping and Resource Information Authority, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.