APA aipamena

(2014). BIR requires taxpayers to use electronic forms. NTRC Tax Research Journal.

Chicago Style aipamena

"BIR Requires Taxpayers to Use Electronic Forms." NTRC Tax Research Journal 2014.

MLA aipamena

"BIR Requires Taxpayers to Use Electronic Forms." NTRC Tax Research Journal, 2014.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.