Dowling, E. T. (2001). Schaum's outline of theory and problems of introduction to mathematical economics (3rd ed.). McGraw Hill.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումDowling, Edward Thomas. Schaum's Outline of Theory and Problems of Introduction to Mathematical Economics. 3rd ed. New York: McGraw Hill, 2001.
MLA (9րդ խմբ.) ՄեջբերումDowling, Edward Thomas. Schaum's Outline of Theory and Problems of Introduction to Mathematical Economics. 3rd ed. McGraw Hill, 2001.