Felix, R. C. (2004). Genetically modified food products: To label, or not to label? Philippine Star.
Cita Chicago (17th ed.)Felix, Rocel C. "Genetically Modified Food Products: To Label, or Not to Label?" Philippine Star 2004.
Cita MLA (9th ed.)Felix, Rocel C. "Genetically Modified Food Products: To Label, or Not to Label?" Philippine Star, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.