Halimah Rachma
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2016
UI - Skripsi Membership
Boniface, Priscilla
Routledge, 1993
Buku Teks
Burhanuddin Aziz
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2018
UI - Tesis Membership
edited by Laurent Bourdeau, Maria Gravari-Barbas and Mike Robinson
Routledge, 2017
Buku Teks
edited by Michael Hitchcock
Nias Press, 2010
Buku Teks