APA ציטוט

Philippines (Republic). Bureau of Mines. Report of investigation. no.1- 1951-. [s.n.

Chicago Style (17th ed.) Citation

Philippines (Republic). Bureau of Mines. Report of Investigation. No.1- 1951-. Manila: [s.n.

ציטוט MLA

Philippines (Republic). Bureau of Mines. Report of Investigation. No.1- 1951-. [s.n.