Baxi, Upendra, editor
Cambridge University Press, 2015
eBooks
Cheeseman, Henry R., author
Pearson - Prentice Hall, 2006
Buku Teks
edited by P.M.S. Hacker and J. Raz
Clarendon Press, 1988
Buku Teks
Cambridge University Press, 2004
Buku Teks
Melanie Frappier, Derek H. Brown, Robert DiSalle, editor
[Springer, Springer], 2012
eBooks