Olsen, Michael D., author
Prentice-Hall, 2008
Buku Teks
Puteri Prameswari, author
2016
UI - Skripsi Membership
edited by Hooi Den Huan
Prentice-Hall, 1999
Buku Teks
Kotler, Philip, author
Pearson, 2010
Buku Teks
Kotler, Philip, author
Prentice-Hall, 1998
Buku Teks