Wanlass, Lawrence C., author
Appleton-Century-Crofts, 1953
Buku Teks
Routledge, 2000
Buku Teks
edited by Edward McChesney Sait, Michael Beresford Foster, W.T. Jones
1252, 1949
Buku Teks
Brecht, Arnold, author
Princenton University Press, 1968
Buku Teks
Fowler, Robert Booth, author
University Press of Kansas, 1991
Buku Teks