King, Anthony D., author
Routledge, 2015
Buku Teks
McColvin, Eric, author
Longmans, Green and Co., 1946
Buku Teks
Muhammad Taufani, author
2017
UI - Skripsi (Membership)
R Siti Hajar Amali, author
2018
UI - Tesis (Membership)
Kresl, Peter Karl., author
Northampton, MA : Edward Elgar, 2005
Buku Teks