APA-Zitierstil (7. Ausg.)

Krugman , P. R. (2017). International Economics: Theory and Policy (8th.). Pearson Education.

Chicago-Zitierstil (17. Ausg.)

Krugman , Paul R. International Economics: Theory and Policy. 8th. Chennai: Pearson Education, 2017.

MLA-Zitierstil (9. Ausg.)

Krugman , Paul R. International Economics: Theory and Policy. 8th. Pearson Education, 2017.