Jeffrey C. Ady, author
Seoul National University, 2019
Artikel Jurnal
Mery Brillianty, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Tesis (Membership)
A. Chaedar Alwasilah, author
Andira, 2002
Buku Teks
Tobing, Tiara Astuti, author
2018
UI - Makalah dan Kertas Kerja
edited by Diana Crane
Routledge, 2002
Buku Teks