Stanton, William J., author
Erlangga, 1991
Buku Teks
Sofjan Assauri, author
[publisher not identified], [date of publication not identified]
Buku Teks
McKenna, Regis
Pustaka Binaman Pressindo, 1996
Buku Teks
Cravens, David W., author
Erlangga, 1999
Buku Teks
Fandy Tjiptono, author
Andi, 2000
Buku Teks