Aaker, David A., author
Prentice-Hall, 1987
Buku Teks
Batra, Rajeev, author
Prentice-Hall, 1996
Buku Teks
Batra, Rajeev, author
Prentice-Hall, 1996
Buku Teks
Rossiter, John R., author
Irwin/McGraw-Hiil, 1996
Buku Teks
Greyser, Stephen A.
Prentice-Hall, 1972
Buku Teks