Bradley, Gerald L., author
Prentice-Hall, 1999
Buku Teks
Barr, Thomas H., author
Prentice-Hall, 1998
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