APA-čujuhus (7. p.)
Gustafson, R. D., & Frisk, P. D. (1994). College algebra (5th ed.). Brooks/Cole Pub. Co..
Chicago-čujuhus (17. p.)
Gustafson, R. David, juo Peter D. Frisk. College Algebra. 5th ed. Pacific Grove, Calif.: Brooks/Cole Pub. Co., 1994.
MLA-čujuhus (9. p.)
Gustafson, R. David, juo Peter D. Frisk. College Algebra. 5th ed. Brooks/Cole Pub. Co., 1994.
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