Brown, Gary D., author
John Wiley & Sons, 1981
Buku Teks
Lewis, Harry R., author
Reston Publishing, 1981
Buku Teks
Wooldridge, Susan, author
Petrocelli Books, 1974
Buku Teks
Pressman, Roger S., author
McGraw-Hill, 1982
Buku Teks
Cagan, Carl, author
Melville Publishing , 1973
Buku Teks