Central Book Supply, Inc, & Philippines (Republic). (1970). Mining laws of the Philippines (4th ed.). [s.n.].
Chicago-viite (17. p.)Central Book Supply, Inc, ja Philippines (Republic). Mining Laws of the Philippines. 4th ed. Manila: [s.n.], 1970.
MLA-viite (9. p.)Central Book Supply, Inc, ja Philippines (Republic). Mining Laws of the Philippines. 4th ed. [s.n.], 1970.
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