APA সাইটেশন

Brooks,Douglas.H, & Hummels, D. (2009). Infrasructure's Role in Lowering Asia's Trade costs. Edward Elgar publishing company.

শিকাগো স্টাইলে সাইটেশন

Brooks,Douglas.H, এবং David Hummels. Infrasructure's Role in Lowering Asia's Trade Costs. UK: Edward Elgar publishing company, 2009.

এমএলএ সাইটেশন

Brooks,Douglas.H, এবং David Hummels. Infrasructure's Role in Lowering Asia's Trade Costs. Edward Elgar publishing company, 2009.