(2003). Ibon facts and figures 2003. Ibon Foundation Databank and Research Center.
Chicago Style (17. basım) AtıfIbon Facts and Figures 2003. Manila: Ibon Foundation Databank and Research Center, 2003.
MLA (9th ed.) AtıfIbon Facts and Figures 2003. Ibon Foundation Databank and Research Center, 2003.
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