APA استشهاد

Richard T.Froyen. (2005). Macroeconomics: Theories and policies (8th.). Pearson.

استشهاد بنمط شيكاغو

Richard T.Froyen. Macroeconomics: Theories and Policies. 8th. India: Pearson, 2005.

MLA استشهاد

Richard T.Froyen. Macroeconomics: Theories and Policies. 8th. Pearson, 2005.