Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.