Sital Daryanani
McGraw-Hill, 1980
Buku Teks
Moschytz, George S., author
John Wiley & Sons, 1981
Buku Referensi
Wheeler, Ruric E., author
John Wiley & Sons, 1996
Buku Teks
Weir, Maurice D., author
Prentice-Hall, 1982
Buku Teks
Kay, David A., author
Neb Cliffs Notes, 1994
Buku Teks