Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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