Keuth, Herbert, 1940-
Cambridge University Press, 2005
Buku Teks
Lake, Silverius CJM
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2004
UI - Tesis Membership
Ahmad Chaidir
2007
UI - Tesis Membership
Go, Julian
Oxford University Press, 2016
eBooks
Campbell, James
University of Illinois Press, 1992
Buku Teks