Eccles, William J.
Addison-Wesley Pub., 1985
Buku Teks
Byrd, Joseph S.
Prentice Hall International, 1993
Buku Teks
Ghani, Noordin
Research Study Press, 1980
Buku Teks
Paterson, John
John Wiley & Sons, 1980
Buku Teks
Clements, Alan
McGraw-Hill, 1991
Buku Referensi