Dyfyniad APA

Bach, D. J. (2006). Prealgebra: Mathematics for a variable world. Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Bach, Daniel J. Prealgebra: Mathematics for a Variable World. Boston: McGraw-Hill, 2006.

Dyfyniad MLA

Bach, Daniel J. Prealgebra: Mathematics for a Variable World. Boston: McGraw-Hill, 2006.

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