Dowling, E. T. (1990). Schaum's outline of theory and problems of calculas: For business, economics, and the social sciences. McGraw-Hill.
Chicago-viite (17. p.)Dowling, Edward T. Schaum's Outline of Theory and Problems of Calculas: For Business, Economics, and the Social Sciences. New York: McGraw-Hill, 1990.
MLA-viite (9. p.)Dowling, Edward T. Schaum's Outline of Theory and Problems of Calculas: For Business, Economics, and the Social Sciences. McGraw-Hill, 1990.
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