Bach, D. J., & Leitner, P. J. (2006). Prealgebra: Mathematics for a variable world (3rd ed.). McGraw-Hill.
芝加哥风格引文Bach, Daniel J., 与 Patricia J. Leitner. Prealgebra: Mathematics for a Variable World. 3rd ed. Boston: McGraw-Hill, 2006.
MLA引文Bach, Daniel J., 与 Patricia J. Leitner. Prealgebra: Mathematics for a Variable World. 3rd ed. McGraw-Hill, 2006.
警告：这些引文格式不一定是100％准确.