Citazione Stile APA (7a Edizione)

Amjadi, A., & Winters, L. A. (1997). Transport costs and "natural" integration in Mercosur. International Economics Dept.

Citazione stile Chigago Style (17a edizione)

Amjadi, Azita, e L. Alan Winters. Transport Costs and "Natural" Integration in Mercosur. Washington, D.C: International Economics Dept, 1997.

Citatione MLA (9a ed.)

Amjadi, Azita, e L. Alan Winters. Transport Costs and "Natural" Integration in Mercosur. International Economics Dept, 1997.