APA (7th ed.) Citation
Bell, E. D., Hansen, V. P., & Wisner, R. J. (1987). Essential skills for algebra. Wiley.
Chicago Style (17th ed.) Citation
Bell, Evelyn D., Viggo P. Hansen, and Robert J. Wisner. Essential Skills for Algebra. New York: Wiley, 1987.
MLA (9th ed.) Citation
Bell, Evelyn D., et al. Essential Skills for Algebra. Wiley, 1987.
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