Dyfyniad APA

Krugman, P. R., & Melitz, M. M. (2015). International Economics: Theory and Practice (10th.). Pearson.

Dyfyniad Arddull Chicago

Krugman, Paul R., and Marc Melitz Melitz. International Economics: Theory and Practice. 10th. Harlow: Pearson, 2015.

Dyfyniad MLA

Krugman, Paul R., and Marc Melitz Melitz. International Economics: Theory and Practice. 10th. Pearson, 2015.

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