Dowling, E. T. (1993). Schaum's outline of theory and problems of mathematical methods for business and economics. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Dowling, Edward Thomas. Schaum's Outline of Theory and Problems of Mathematical Methods for Business and Economics. New York: McGraw-Hill, 1993.
Lua MLA (8ú heag.)Dowling, Edward Thomas. Schaum's Outline of Theory and Problems of Mathematical Methods for Business and Economics. McGraw-Hill, 1993.
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