Dyfyniad APA

Krugman, P., & Obstfeld, M. M. (2022). International Economics (12th.). Pearson.

Dyfyniad Arddull Chicago

Krugman, Paul, and Maurice; Melitz Obstfeld. International Economics. 12th. Noida: Pearson, 2022.

Dyfyniad MLA

Krugman, Paul, and Maurice; Melitz Obstfeld. International Economics. 12th. Pearson, 2022.

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