Keegan, Warren J., author
Prentice-Hall, 2000
Buku Teks
Hermawan Kartajaya, 1947-, author
MarkPlus, 2006
Buku Teks
Czinkota, Michael R., author
South Western Cengage Learning, 2013
Buku Teks
Lovelock, Christopher H., author
Prentice-Hall, 1960
Buku Teks
Kotler, Philip, author
Prentice-Hall, 2000
Buku Teks