Cita APA (7th ed.)

Ragon, G. (1999). Advertising in today's world. Manila Bulletin.

Cita Chicago (17th ed.)

Ragon, Genoveva. "Advertising in Today's World." Manila Bulletin 1999.

Cita MLA (9th ed.)

Ragon, Genoveva. "Advertising in Today's World." Manila Bulletin, 1999.