APA (7e ed.) Bronvermelding

Krugman, P. R., Obstfeld, M., & Melitz, M. J. International finance: Theory and policy (Eleventh edition.).

Chicago (17e ed.) Bronvermelding

Krugman, Paul R., Maurice Obstfeld, en Marc J. Melitz. International Finance: Theory and Policy. Eleventh edition.

MLA (9e ed.) Bronvermelding

Krugman, Paul R., et al. International Finance: Theory and Policy. Eleventh edition.