Salvatore, D. (1996). Schaum's outline of theory and problems of principles of economics. McGraw-Hill.
استشهاد بنمط شيكاغوSalvatore, Dominick. Schaum's Outline of Theory and Problems of Principles of Economics. McGraw-Hill, 1996.
MLA استشهادSalvatore, Dominick. Schaum's Outline of Theory and Problems of Principles of Economics. McGraw-Hill, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.