Cita APA

Paul R.krugman & Maurice obstfeld. (2003). International economics: Theory and policy (Ed.6.). Pearson education.

Chicago Edition Citation

Paul R.krugman i Maurice obstfeld. International Economics: Theory and Policy. Ed.6. Delhi: Pearson education, 2003.

Cita MLA

Paul R.krugman i Maurice obstfeld. International Economics: Theory and Policy. Ed.6. Pearson education, 2003.