Ibon Databank Phil., Inc. (1994). IBON facts and figures. IBON Databank Philippines Inc.
Cita Chicago (17th ed.)Ibon Databank Phil., Inc. IBON Facts and Figures. Manila: IBON Databank Philippines Inc, 1994.
Cita MLA (9th ed.)Ibon Databank Phil., Inc. IBON Facts and Figures. IBON Databank Philippines Inc, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.