Cita APA (7th ed.)

(1999). Trade associations directory 1999. Department of Trade and Industry, Bureau of Domestic Trade.

Cita Chicago (17th ed.)

Trade Associations Directory 1999. Makati City: Department of Trade and Industry, Bureau of Domestic Trade, 1999.

Cita MLA (9th ed.)

Trade Associations Directory 1999. Department of Trade and Industry, Bureau of Domestic Trade, 1999.