Kronstadt, Babette, author
John Wiley & Sons, 1994
Buku Teks
Holzner, Steven, author
Brady Books, 1992
Buku Teks
Artikel Jurnal
Martin, James, author
Prentice-Hall, 1995
Buku Teks
Abdi Mubarak Syam, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2016
UI - Tesis (Membership)