APA (7th ed.) Citation

Philippines. Department of Trade & Research and Information Division. The Philippines' twenty leading imports, 1968-1972-. [s.n.

Chicago Style (17th ed.) Citation

Philippines. Department of Trade and Research and Information Division. The Philippines' Twenty Leading Imports, 1968-1972-. Quezon City: [s.n.

MLA (9th ed.) Citation

Philippines. Department of Trade and Research and Information Division. The Philippines' Twenty Leading Imports, 1968-1972-. [s.n.