APA aipamena

(1999). Ibon facts and figures 1999. Ibon Foundation Databank and Research Center.

Chicago Style aipamena

Ibon Facts and Figures 1999. Manila: Ibon Foundation Databank and Research Center, 1999.

MLA aipamena

Ibon Facts and Figures 1999. Ibon Foundation Databank and Research Center, 1999.