Santiago, R. (2011). Rice importation: Self sufficiency. Manila Bulletin.
Cita Chicago (17th ed.)Santiago, Roni. "Rice Importation: Self Sufficiency." Manila Bulletin 2011.
Cita MLA (9th ed.)Santiago, Roni. "Rice Importation: Self Sufficiency." Manila Bulletin, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.