APA (7th ed.) Citation

Philippines. Bureau of Internal Revenue & Career Development Center. (2003). Complete 2003 B.I.R revenue regulations. CDC.

Chicago Style (17th ed.) Citation

Philippines. Bureau of Internal Revenue and Career Development Center. Complete 2003 B.I.R Revenue Regulations. Quezon City: CDC, 2003.

MLA (9th ed.) Citation

Philippines. Bureau of Internal Revenue and Career Development Center. Complete 2003 B.I.R Revenue Regulations. CDC, 2003.