Houghton, David Patrick, author
Routledge, 2015
Buku Teks
McClelland, J.S.
Routledge , 1998
Buku Teks
edited by David Ingram
Blackwell , 2002
Buku Teks
Parekh, Bhikhu, author
Kanisius, 2018
Buku Teks
Rush, Michael, author
Harvester Wheatsheaf, 1992
Buku Teks