Cita APA (7a ed.)

Perez, D. (1999). Free trade & NSC. Manila Bulletin.

Cita Chicago Style (17a ed.)

Perez, Delfin. "Free Trade & NSC." Manila Bulletin 1999.

Cita MLA (9a ed.)

Perez, Delfin. "Free Trade & NSC." Manila Bulletin, 1999.