APA (7th ed.) Citation

Philippines. Republic. Bureau of Communications Services. (1990). 1990 Philippine government directory. Bureau of Communications Services.

Chicago Style (17th ed.) Citation

Philippines. Republic. Bureau of Communications Services. 1990 Philippine Government Directory. Manila: Bureau of Communications Services, 1990.

MLA (9th ed.) Citation

Philippines. Republic. Bureau of Communications Services. 1990 Philippine Government Directory. Bureau of Communications Services, 1990.

Warning: These citations may not always be 100% accurate.