Παραπομπή σε μορφή APA (7η εκδ.)

Hakura, D. S., & Billmeier, A. (2008). Trade elasticities in the Middle East and Central Asia: What is the role of oil? International Monetary Fund.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hakura, Dalia S., και Andreas Billmeier. Trade Elasticities in the Middle East and Central Asia: What Is the Role of Oil? [Washington, District of Columbia]: International Monetary Fund, 2008.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hakura, Dalia S., και Andreas Billmeier. Trade Elasticities in the Middle East and Central Asia: What Is the Role of Oil? International Monetary Fund, 2008.