Van Horne, James Carter, 1935-
Prentice Hall International, 1995
Buku Teks
Van Horne, James Carter, 1935-
Prentice Hall International, 1998
Buku Teks
Shapiro, Alan C.
John Wiley Sons, 1999
Buku Teks
Shapiro, Alan C.
John Wiley & Sons, 2003
Buku Teks
Shapiro, Alan C.
Allyn and Bacon, 1989
Buku Teks