Hein, Leonard W., author
Prentice Hall of India, 1974
Buku Teks
Baker, Stephen, 1921-2004, author
McGraw-Hill, 1979
Buku Teks
John Y. Lee
Massachusetss Addison-Wesley Publishing Co., 1987
Buku Teks
Stair, Ralph M., Jr., author
Boyd & Fraser Publishing, 1992
Buku Teks
Perreault, William D., author
Irwin McGraw-Hill, 1999
Buku Teks