APA (7 ম সংস্করণ) উদ্ধৃতি

Eicher, T., & Henn, C. (2009). In Search of WTO Trade Effects: Preferential Trade Agreements Promote Trade Strongly, But Unevenly. International Monetary Fund.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Eicher, Theo, এবং Christian Henn. In Search of WTO Trade Effects: Preferential Trade Agreements Promote Trade Strongly, But Unevenly. Washington, D.C.: International Monetary Fund, 2009.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Eicher, Theo, এবং Christian Henn. In Search of WTO Trade Effects: Preferential Trade Agreements Promote Trade Strongly, But Unevenly. International Monetary Fund, 2009.