(2003). Ibon facts & figures. Ibon Databank Philippines].
Cita Chicago (17th ed.)Ibon Facts & Figures. [Manila: Ibon Databank Philippines], 2003.
Cita MLA (9th ed.)Ibon Facts & Figures. Ibon Databank Philippines], 2003.
Atenció: Aquestes cites poden no estar 100% correctes.