Zelle, John, author
Franklin, Beedle and Associates, 2010
Buku Teks
Cohn, Laurence S., author
Wiley-Interscience, 1975
Buku Teks
Keller, Arthur M., author
McGraw-Hill, 1982
Buku Teks
Forte, Allen, author
MIT Press, 1968
Buku Teks
Schur, Lee David, author
Addison-Wesley, 1973
Buku Teks