APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.