Ward, Frank
Prentice-Hall, 1997
Buku Teks
Varberg, Dale E., author
Pearson - Prentice Hall, 2007
Buku Teks
Bartle, Robert Gardner, 1927-, author
Scott, Foresman, 1968
Buku Teks
Ayres, Frank, 1901-1994, author
[publisher not identified], [date of publication not identified]
Buku Teks
Stewart, James, 1941-, author
Brooks/Cole, 1991
Buku Teks