Dyfyniad APA

(1998). BIR Tax calendar: BIR enters the age of information technology. Bureau of Internal Revenue.

Dyfyniad Arddull Chicago

BIR Tax Calendar: BIR Enters the Age of Information Technology. s.l: Bureau of Internal Revenue, 1998.

Dyfyniad MLA

BIR Tax Calendar: BIR Enters the Age of Information Technology. Bureau of Internal Revenue, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.