APA (7th ed.) Citation

General Petroleum and Mineral Organization. (1976). Petromin directory: Regional petroleum and support companies, Singapore, including special Malaysian listing (Updated for 1976.). Petromin.

Chicago Style (17th ed.) Citation

General Petroleum and Mineral Organization. Petromin Directory: Regional Petroleum and Support Companies, Singapore, Including Special Malaysian Listing. Updated for 1976. [Singapore]: Petromin, 1976.

MLA (8th ed.) Citation

General Petroleum and Mineral Organization. Petromin Directory: Regional Petroleum and Support Companies, Singapore, Including Special Malaysian Listing. Updated for 1976. Petromin, 1976.