APA استشهاد

Steven Husted & Michael Melvin. (2013). International Economics (9th ed.). Pearson.

استشهاد بنمط شيكاغو

Steven Husted و Michael Melvin. International Economics. 9th ed. NewYork: Pearson, 2013.

MLA استشهاد

Steven Husted و Michael Melvin. International Economics. 9th ed. Pearson, 2013.