APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Hakura, Dalia S., ба 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.

MLA -ийн эшлэл (9 дэх хэвлэлт)

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