Complete ... numbered B.I.R. rulings /
compiled and published by Career Development Center, Inc.
APA Citation
Career Development Center (Quezon City, P., Philippines. Bureau of Internal Revenue. Complete ... numbered B.I.R. rulings. Quezon City, Metro Manila: The Center.
MLA Citation
Career Development Center (Quezon City, Philippines), and Philippines. Bureau of Internal Revenue. Complete ... Numbered B.I.R. Rulings. Quezon City, Metro Manila: The Center,
Warning: These citations may not always be complete (especially for serials).