Career Development Center & Philippines. Bureau of Internal Revenue. (2005). Complete 2004 numbered B.I.R. ruling Republic Act no. 9283 & Republic Act no. 9243. CDC.
Citazione stile Chigago Style (17a edizione)Career Development Center e Philippines. Bureau of Internal Revenue. Complete 2004 Numbered B.I.R. Ruling Republic Act No. 9283 & Republic Act No. 9243. Quezon City: CDC, 2005.
Citatione MLA (9a ed.)Career Development Center e Philippines. Bureau of Internal Revenue. Complete 2004 Numbered B.I.R. Ruling Republic Act No. 9283 & Republic Act No. 9243. CDC, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.