Dowling, E. T. (2001). Schaum's outline of theory and problems of introduction to mathematical economics (3rd ed.). McGraw Hill.
Tohutoru Kātū Chicago (17th ed.)Dowling, Edward Thomas. Schaum's Outline of Theory and Problems of Introduction to Mathematical Economics. 3rd ed. New York: McGraw Hill, 2001.
Tohutoro MLA (9th ed.)Dowling, Edward Thomas. Schaum's Outline of Theory and Problems of Introduction to Mathematical Economics. 3rd ed. McGraw Hill, 2001.