APA (7th ed.) Citation

Philippines. Department of Public Information. (1978). Official government directory of the Republic of the Philippines. Department of Public Information.

Chicago Style (17th ed.) Citation

Philippines. Department of Public Information. Official Government Directory of the Republic of the Philippines. Quezon City: Department of Public Information, 1978.

MLA (9th ed.) Citation

Philippines. Department of Public Information. Official Government Directory of the Republic of the Philippines. Department of Public Information, 1978.