Michalski, John, author
Twayne, 1968
Buku Teks
Meredith, George, author
Constable, 1924
Buku Teks
Saussure, Ferdinand de, author
Geneve Georg & Cie, S.A., Corraterie 1946
Buku Teks
Holdcroft, David, author
Cambridge University Press, 1991
Buku Teks
Harris, Roy, author
Routledge, 1997
Buku Teks