Russell, John David, author
Johns Hopkins University Press, 1979
Buku Teks
Cambridge University Press, 2003
eBooks
edited by Nick Bentley
Routledge, 2005
Buku Teks
edited by Theo D`Haen and Hans Bertens
Rodopi, 1993
Buku Teks
Watson, George, author
Macmillan, 1991
Buku Teks