Cita APA

Krugman,Paul R, & Obstfeld,Maurice. (1997). International economics: Theory and policy. Addison - Wesley.

Chicago Edition Citation

Krugman,Paul R, i Obstfeld,Maurice. International Economics: Theory and Policy. New York: Addison - Wesley, 1997.

Cita MLA

Krugman,Paul R, i Obstfeld,Maurice. International Economics: Theory and Policy. Addison - Wesley, 1997.