Philippines (Republic). Bureau of Mines. (1965). Manual of regulations for mineral land surveys in the Philippines. [s.n.].
Citazione stile Chigago Style (17a edizione)Philippines (Republic). Bureau of Mines. Manual of Regulations for Mineral Land Surveys in the Philippines. Manila: [s.n.], 1965.
Citatione MLA (9a ed.)Philippines (Republic). Bureau of Mines. Manual of Regulations for Mineral Land Surveys in the Philippines. [s.n.], 1965.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.