Salvatore, D. (1971). Schaum's outline of theory and problems of microeconomic theory (2nd ed.). McGraw - hill book.

Salvatore, Dominick. Schaum's Outline of Theory and Problems of Microeconomic Theory. 2nd ed. New York: McGraw - hill book, 1971.

Salvatore, Dominick. Schaum's Outline of Theory and Problems of Microeconomic Theory. 2nd ed. McGraw - hill book, 1971.