Carter, Joseph R.
Business One Irwin , 1993
Buku Teks
Westing, John Howard, author
John Wiley & Sons, 1956
Buku Teks
Kaiser, Edward John, author
University of Illinois Press, 1995
Buku Teks
Cayer, N. Joseph., author
Wadsworth/Thomson Learning, 2004
Buku Teks
Levin, Melvin R
Praeger, 1977
Buku Teks