Krugman, P.R. und Obstfeld, M. (2009) International economics : theory and policy [book]. 8. ed., The Addison-Wesley series in economics. 8. ed. Boston, Mass. [u.a.]: Pearson Addison-Wesley.
Chicago Manual of Style 17th edition (full note)Krugman, Paul R., und Maurice Obstfeld. International economics : theory and policy. Book. The Addison-Wesley series in economics. 8. ed. Boston, Mass. [u.a.]: Pearson Addison-Wesley, [2009?], Boston, Mass. [u.a.]: Pearson Addison-Wesley, [2009?].
American Psychological Association 7th editionKrugman, P. R., & Obstfeld, M. (ca. 2009). International economics : theory and policy [Book]. In The Addison-Wesley series in economics (8. ed.). Pearson Addison-Wesley.
Modern Language Association 9th editionKrugman, P. R., und M. Obstfeld. „International economics : theory and policy“. The Addison-Wesley series in economics, 8. ed., book, Pearson Addison-Wesley, 2009.
ISO-690 (author-date, Deutsch)KRUGMAN, Paul R. und Maurice OBSTFELD, 2009. International economics : theory and policy. 8. ed. Boston, Mass. [u.a.]: Pearson Addison-Wesley. ISBN 0321553985