Philippines (Commonwealth) Bureau of Mines & Philippines (Republic). Bureau of Mines. Stoping methods and costs in the gold mines of the Baguio district, Mountain Province, Philippines. [s.n.
Cita Chicago (17th ed.)Philippines (Commonwealth) Bureau of Mines i Philippines (Republic). Bureau of Mines. Stoping Methods and Costs in the Gold Mines of the Baguio District, Mountain Province, Philippines. Manila: [s.n.
Cita MLA (9th ed.)Philippines (Commonwealth) Bureau of Mines i Philippines (Republic). Bureau of Mines. Stoping Methods and Costs in the Gold Mines of the Baguio District, Mountain Province, Philippines. [s.n.
Atenció: Aquestes cites poden no estar 100% correctes.