Tomalin, Marcus, author
Cambridge University Press, 2006
Buku Teks
Berwick, Robert C.
MIT Press, 1984
Buku Teks
Samsuri, author
Publikasi Ilmiah, FKSS-IKIP, 1959
Buku Teks
Carr, Philip, 1953-, author
Cambridge University Press , 1990
Buku Teks
Gray, Bennison
Mouton Publisher, 1977
Buku Teks