Lial, Margaret L.
Pearson - Addison Wesley, 2008
Buku Teks
Hoffmann, Laurence D.
McGraw-Hill, 1979
Buku Teks
Varberg, Dale E.
Prentice-Hall, 1991
Buku Teks
Coffron, James W.
Sybex, 1983
Buku Teks
Kraus, John D. (John Daniel)
WCB/McGraw-Hill, 1999
Buku Teks