Aras, Güler, Crowther, David, Eldon and Anne Foote Trust Philanthropy Collection
Surrey, England : Gower, 2010
Buku Teks
Hasibuan, Amanda Hasian Nurmala
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2017
UI - Skripsi Membership
Ralph Tench, William Sun, Brian Jones, editors
Emerald, 2014
Buku Teks
Coombs, W. Timothy
Wiley-Blackwell , 2012
Buku Teks
Muhammad Sani Kurniawan
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2015
UI - Tesis Membership