Philippines. Bureau of Internal Revenue. (1967). Complete B.I.R. rulings. DM Press.
Chicago Style (17th ed.) CitationPhilippines. Bureau of Internal Revenue. Complete B.I.R. Rulings. Quezon City: DM Press, 1967.
MLA (9th ed.) CitationPhilippines. Bureau of Internal Revenue. Complete B.I.R. Rulings. DM Press, 1967.
Warning: These citations may not always be 100% accurate.