Gustafson,R. David, & Frisk, P. R. (1986). College algebra (3rd ed.). Brookes/Cole.
Chicago-čujuhus (17. p.)Gustafson,R. David, juo Peter R. Frisk. College Algebra. 3rd ed. California: Brookes/Cole, 1986.
MLA-čujuhus (9. p.)Gustafson,R. David, juo Peter R. Frisk. College Algebra. 3rd ed. Brookes/Cole, 1986.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.