At The Clarendon Press, 1921
Buku Teks
Bourke, Richard, author
St. Martin's Press, 1993
Buku Teks
Curran, Stuart, author
Oxford University Press, 1986
Buku Teks
Joel Faflak and Julia M. Wright, editors
Wiley Balckwell, 2016
Buku Teks
Franta, Andrew, author
Cambridge University Press, 2009
eBooks