APA (7e ed.) Bronvermelding

Chipongian, L. C. (2003). BIR expands paperless tax system registration. Manila Bulletin.

Chicago (17e ed.) Bronvermelding

Chipongian, Lee C. "BIR Expands Paperless Tax System Registration." Manila Bulletin 2003.

MLA (9e ed.) Bronvermelding

Chipongian, Lee C. "BIR Expands Paperless Tax System Registration." Manila Bulletin, 2003.

Let op: Deze citaties zijn niet altijd 100% accuraat.