Παραπομπή σε μορφή APA (7η εκδ.)

Arao, D. A. (1999). How much does government earn from the oil companies? IBON Facts & Figures.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Arao, Danilo A. "How Much Does Government Earn from the Oil Companies?" IBON Facts & Figures 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Arao, Danilo A. "How Much Does Government Earn from the Oil Companies?" IBON Facts & Figures, 1999.