Chand, Emcee, author
[Publisher not identified], 1957
Buku Teks
Ita Yulita, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2003
UI - Tesis (Membership)
Woodhead, 2013
eBooks
Foundation, 2005
Buku Referensi
Longmans & co., 1886
Buku Teks