Mehta, Nitin H., 1946-, author
Prentice-Hall, 1977
Buku Teks
Bobenhausen, William
John Wiley & Sons, 1994
Buku Teks
Morriss, S. Brian, author
Glencoe, 1995
Buku Teks
Boockholdt, James L., author
McGraw-Hill, 1999
Buku Teks
Boockholdt, James L., author
Irwin, 1996
Buku Teks