Aisyah Indarsari, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Tesis Membership
Schewe, Charles D., author
McGraw-Hill, 1983
Buku Teks
Kotler, Philip, author
Pearson, 2014
Buku Teks
Fisk, George, author
Harper & Row , 1967
Buku Teks
Kotler, Philip, author
Erlangga, 2008
Buku Teks