Larson, Ron, 1941-, author
Brooks/Cole, 2010
Buku Teks
Briggs, Bill, author
Pearson education, 2015
Buku Teks
Sherwood, G. E. F.
Prentice-Hall, 1946
Buku Teks
Wilcoxm, Alfred B.
Houghton Mifflin, 1971
Buku Teks
Lial, Margaret L., author
Pearson - Addison Wesley, 2008
Buku Teks