Epstein, Barry J.
John Wiley & Sons, 2003
Buku Teks
Tanzil, Felicia
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis (Membership)
edited by Jagdish N. Sheth and Abdolreza Eshghi
South-Western Publishing, 1989
Buku Teks
Clara Stephanie
2015
UI - Skripsi (Membership)
Prayogo Prima Wahyudi
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2018
UI - Skripsi (Membership)