Parsons, Patricia J.
Etika public relations / Patricia J. Parsons
Erlangga, 2004
 Buku Teks
McQuaig, Douglas J.
College accounting / Douglas J. McQuaig
Houghton Mifflin, 1989
 Buku Teks
Whaley, Douglas J.
Problems and materials on secured transactions / Douglas J. Whaley
Little, Brown & Co., 1993
 Buku Teks
Peter, J. Paul
Marketing for the manufacturer/J. Paul Peter
Business One Irwin , 1992
 Buku Teks
Kalthoff, Robert J.
Productivity and records automation / Robert J. Kalthoff, Leonard S. Lee
Prentice-Hall, 1981
 Buku Teks