Weldon, M. G., & Michael G. Weldon. (2007). Complete solutions manual for Gustafson and Frisk's College algebra. Belmont, CA: Thomson/ Brooks cole.
Παραπομπή Chicago StyleWeldon, Michael G., και Michael G. Weldon. Complete Solutions Manual for Gustafson and Frisk's College Algebra. Belmont, CA: Thomson/ Brooks cole, 2007.
Παραπομπή MLAWeldon, Michael G., και Michael G. Weldon. Complete Solutions Manual for Gustafson and Frisk's College Algebra. Belmont, CA: Thomson/ Brooks cole, 2007.
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