Schneider, Jo Anne, author
Columbia University Press, 2006
Buku Teks
Pinker, Robert
Heinemann Educational Books Ltd., 1979
Buku Teks
Pusic, Eugen
Mouton, 1972
Buku Teks
Fitzpatrick, Tony, author
Palgrave Macmillan, 2005
Buku Teks
Iversen, Torben, author
Cambridge University Press, 2006
Buku Teks