Gustafson, R. D., & Frisk, P. D. j. a. (1988). Beginning Algebra (2nd ed.). Brooks/Cole.
芝加哥风格引文Gustafson, R. David, 与 Peter D. joint author Frisk. Beginning Algebra. 2nd ed. California: Brooks/Cole, 1988.
MLA引文Gustafson, R. David, 与 Peter D. joint author Frisk. Beginning Algebra. 2nd ed. Brooks/Cole, 1988.
警告：这些引文格式不一定是100％准确.