Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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