Gottheil, F. M. (1999). Principles of microeconomics (2nd ed.). Cincinnati, Ohio: South-Western College.
استشهاد بنمط شيكاغوGottheil, Fred M. Principles of Microeconomics. 2nd ed. Cincinnati, Ohio: South-Western College, 1999.
MLA استشهادGottheil, Fred M. Principles of Microeconomics. 2nd ed. Cincinnati, Ohio: South-Western College, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.