Dugopolski, M. (2000). Elementary algebra (3rd ed.). McGraw-Hill.
Chicago-čujuhus (17. p.)Dugopolski, Mark. Elementary Algebra. 3rd ed. New York: McGraw-Hill, 2000.
MLA-čujuhus (9. p.)Dugopolski, Mark. Elementary Algebra. 3rd ed. McGraw-Hill, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.