Cita APA (7th ed.)

Philippines. Bureau of Internal Revenue & Career Development Center. (2002). Complete 2002 B.I.R. revenue regulations. Career Development Center.

Cita Chicago (17th ed.)

Philippines. Bureau of Internal Revenue i Career Development Center. Complete 2002 B.I.R. Revenue Regulations. Quezon City: Career Development Center, 2002.

Cita MLA (9th ed.)

Philippines. Bureau of Internal Revenue i Career Development Center. Complete 2002 B.I.R. Revenue Regulations. Career Development Center, 2002.