Philippines. Ministry of Natural Resources & Bureau of Mines and Geo-Sciences. (1981). Mining in economic development, 1972-1980. Ministry of Natural Resources.
Style de citation Chicago (17e éd.)Philippines. Ministry of Natural Resources et Bureau of Mines and Geo-Sciences. Mining in Economic Development, 1972-1980. Manila: Ministry of Natural Resources, 1981.
Style de citation MLA (9e éd.)Philippines. Ministry of Natural Resources et Bureau of Mines and Geo-Sciences. Mining in Economic Development, 1972-1980. Ministry of Natural Resources, 1981.
Attention : ces citations peuvent ne pas être correctes à 100%.