APA استشهاد

FROYEN,Richard T. (2009). Macroeconomics: Theories and policies (8th.).

استشهاد بنمط شيكاغو

FROYEN,Richard T. Macroeconomics: Theories and Policies. 8th. Pearson education New Delhi, 2009.

MLA استشهاد

FROYEN,Richard T. Macroeconomics: Theories and Policies. 8th. 2009.