APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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