Salvatore, D., Diulio, E. A., Dioulio, E. A., & Diulio, E. A. (1996). Schaum's outline of theory and problems of principles of economics (2nd ed.). New York: McGraw-Hill.
Παραπομπή Chicago StyleSalvatore, Dominick, Eugene A. Diulio, Eugene A. Dioulio, and Eugene A. Diulio. Schaum's Outline of Theory and Problems of Principles of Economics. 2nd ed. New York: McGraw-Hill, 1996.
Παραπομπή MLASalvatore, Dominick, Eugene A. Diulio, Eugene A. Dioulio, and Eugene A. Diulio. Schaum's Outline of Theory and Problems of Principles of Economics. 2nd ed. New York: McGraw-Hill, 1996.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.