Chandra, Prasanna
Tata McGraw-Hill , 1994
Buku Teks
Ellis, Charles D.
Irwin Professional Publishing , 1993
Buku Teks
Cohen, Jerome B., author
Richard D. Irwin, 1987
Buku Teks
Elton, Edwin J., author
John Wiley & Sons, 1984
Buku Teks
Haugen, Robert A.
Prentice-Hall, 1990
Buku Teks