Dyfyniad APA

Krugman, P. R., Obstfeld, M., & Melitz, M. J. (2015). International economics: Theory & policy. Pearson Addison-Wesley.

Dyfyniad Arddull Chicago

Krugman, Paul R., Maurice Obstfeld, và Marc J. Melitz. International Economics: Theory & Policy. Pearson Addison-Wesley, 2015.

Dyfyniad MLA

Krugman, Paul R., Maurice Obstfeld, và Marc J. Melitz. International Economics: Theory & Policy. Pearson Addison-Wesley, 2015.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.