APA-ийн эшлэл(7 дахь хэвлэлт)
Eicher, T. S., & Henn, C. (2009). In search of WTO trade effects: Preferential trade agreements promote trade strongly, but unevenly. International Monetary Fund.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Eicher, Theo S., ба Christian Henn. In Search of WTO Trade Effects: Preferential Trade Agreements Promote Trade Strongly, but Unevenly. [Washington D.C.]: International Monetary Fund, 2009.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Eicher, Theo S., ба Christian Henn. In Search of WTO Trade Effects: Preferential Trade Agreements Promote Trade Strongly, but Unevenly. International Monetary Fund, 2009.
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