Gallian, J. A. (1990). Contemporary abstract algebra (2nd ed.). D.C. Heath.
Chicago-čujuhus (17. p.)Gallian, Joseph A. Contemporary Abstract Algebra. 2nd ed. Lexington: D.C. Heath, 1990.
MLA-čujuhus (9. p.)Gallian, Joseph A. Contemporary Abstract Algebra. 2nd ed. D.C. Heath, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.