(2008). Ibon facts and figures 2008. Ibon Foundation Databank and Research Center.
芝加哥风格引文Ibon Facts and Figures 2008. Manila: Ibon Foundation Databank and Research Center, 2008.
MLA引文Ibon Facts and Figures 2008. Ibon Foundation Databank and Research Center, 2008.
警告：这些引文格式不一定是100％准确.