APA (7th ed.) Citation

Philippines. Bureau of Internal Revenue. (1971). Complete B.I.R. rulings. DM Press.

Chicago Style (17th ed.) Citation

Philippines. Bureau of Internal Revenue. Complete B.I.R. Rulings. Quezon City: DM Press, 1971.

MLA (9th ed.) Citation

Philippines. Bureau of Internal Revenue. Complete B.I.R. Rulings. DM Press, 1971.