Dickson, Gary W., author
McGraw-Hill, 1985
Buku Teks
Pearlson, Keri E., author
John Wiley & Sons, 2004
Buku Teks
Kroeber, Donald W.
Macmillan Publishing Company, 1990
Buku Teks
Haag, Stephen, author
McGraw-Hill, 2000
Buku Teks
Haag, Stephen, author
McGraw-Hill, 2010
Buku Teks