Levinson, Sanford, author
Oxford University Press, 2013
Buku Teks
Cambridge University Press, 2019
eBooks
editor, Kanishka Jayasuriya
Routledge , 2008
Buku Teks
Bainbridge, Stephen M., author
Oxford University Press, 2012
Buku Teks
Finer, S. E.
Clarendon Press Oxford, 1995
Buku Teks