Anderson, Malcolm
Clarendon Press, 1989
Buku Teks
Lundman, Richard J., author
Holty,Rinchart and Winston, 1980
Buku Teks
Ryzza Dharma, author
Universitas Indonesia, 2012
UI - Skripsi (Open)
McLaughlin, Eugene, author
Avebury, 1994
Buku Teks
Edited by Wayne Sandholts, Christopher A. Whytock
Edward Elgar, 2017
Buku Teks