APA Zitierstil

Krugman, P. R. O. (1997). International economics: Theory and policy (6.).

Chicago Zitierstil

Krugman, Paul R; Obstfeld. International Economics: Theory and Policy. 6. Pearson Education Ltd.,New Delhi, 1997.

MLA Zitierstil

Krugman, Paul R; Obstfeld. International Economics: Theory and Policy. 6. 1997.