APA (7th ed.) Citation

Philippines (Republic). Department of Trade & Research and Information Division. (1973). Philippine petroleum industry (2d ed.). [s.n.

Chicago Style (17th ed.) Citation

Philippines (Republic). Department of Trade and Research and Information Division. Philippine Petroleum Industry. 2d ed. Quezon City: [s.n, 1973.

MLA (9th ed.) Citation

Philippines (Republic). Department of Trade and Research and Information Division. Philippine Petroleum Industry. 2d ed. [s.n, 1973.