Citação norma APA

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.

Citação norma Chicago

Philippines (Commonwealth) Bureau of Mines and Philippines (Republic). Bureau of Mines. Stoping Methods and Costs in the Gold Mines of the Baguio District, Mountain Province, Philippines. Manila: [s.n.

Citação norma MLA

Philippines (Commonwealth) Bureau of Mines and Philippines (Republic). Bureau of Mines. Stoping Methods and Costs in the Gold Mines of the Baguio District, Mountain Province, Philippines. [s.n.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.