Stein, Sherman K., author
McGraw-Hill, 1968
Buku Teks
Anton, Howard, author
John Wiley & Sons, 1984
Buku Teks
Anderson, Daniel, author
Brooks/Cole, 1999
Buku Teks
Varberg, Dale E., author
Pearson - Prentice Hall, 2007
Buku Teks
Bartle, Robert Gardner, 1927-, author
Scott, Foresman, 1968
Buku Teks