Universitas Indonesia, 1995
UI - Skripsi (Membership)
Gorlewski, Julie A.
Sense, 2012
eBooks
Yeni Rustina, author
Cambridge Publishing, 2016
Artikel Jurnal
Muhammad Rizqi Ghiffari, author
2019;
UI - Tugas Akhir
Mann, J., author
Clarendon Press, 1980
Buku Teks