Aufmann Richard N. Basic College Mathematics / Richard N. Aufmann Vernon C. Barker Joanne S. Lockwood. - 8th ed. - Boston Ma : Houghton Mifflin Co. C2006. - 1 V. (VARIOUS PAGINGS) : COL. ILL. 28 CM. - 0 . ENG ISBN: 0618503056 (Pbk.)