APA aipamena

Opinion, M. V. D. (1997). The sangkap pinoy seal: Testing standards. Manila Bulletin.

Chicago Style aipamena

Opinion, Ma. Victoria D. "The Sangkap Pinoy Seal: Testing Standards." Manila Bulletin 1997.

MLA aipamena

Opinion, Ma. Victoria D. "The Sangkap Pinoy Seal: Testing Standards." Manila Bulletin, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.