Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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