Dyfyniad APA

Krugman, P. R., Obstfeld, M., & Melitz, M. J. (2015). International economics: Theory and policy (10th edition.). Pearson.

Dyfyniad Arddull Chicago

Krugman, Paul R., Maurice Obstfeld, and Marc J. Melitz. International Economics: Theory and Policy. 10th edition. Boston: Pearson, 2015.

Dyfyniad MLA

Krugman, Paul R., et al. International Economics: Theory and Policy. 10th edition. Pearson, 2015.

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