Clement, I., author
Elsevier, 2015
Buku Teks
Bush, Tony, author
IRCiSoD, , 2006
Buku Teks
Hastings, Nicholas Anthony John, author
Springer International Publishing, 2015
eBooks
Windria Setiatama, author
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2014
UI - Tesis (Membership)
editor by Herman L. Totten
The Haworth Press, 1992
Buku Teks