Cohen, David
Precalculus : a problems-oriented approach : interactive video skillbuilder CD
Thomson, 2006
 Multimedia
Precalculus: a make it real approach
Frank C. Wilson, Scott L. Adamson, Trey Cox, Alan E.O'Briyan
Cengage learning, 2013
 Buku Teks SO
Hungerford, Thomas W.
Contemporary college algebra and contemporary algebra and trigonometry : interactive video skilbuilder CD
Brooks/Cole, 2005
 Multimedia
Swokowski, Earl W.
Precalculus : functions and graphs
Brooks/Cole, 2012
 Buku Teks SO
Safier, Fred
Schaum's outlines theory and problems of precalculus
McGraw-Hill, 2009
 Buku Teks SO