edited by Richard Holloway
Aksara Foundation, 2002
Buku Teks
Nida Rifyal
Universitas Indonesia, 2013
UI - Tesis Membership
Muhammad Hasan
[Publisher not identified], 2016
Artikel Jurnal
Aritonang, Joshua Cristopher
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2020
UI - Tesis Membership
Nur Destriana
2014
UI - Skripsi Membership