(2002). IBON facts & figures 2002. IBON Foundation.
Cita Chicago (17th ed.)IBON Facts & Figures 2002. Manila: IBON Foundation, 2002.
Cita MLA (9th ed.)IBON Facts & Figures 2002. IBON Foundation, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.