Carr, Philip, 1953-, author
Cambridge University Press , 1990
Buku Teks
Tomalin, Marcus, author
Cambridge University Press, 2006
Buku Teks
edited by Marcel den Dikken
Cambridge University Press, 2013
Buku Teks
edited by Anne E. Baker and Kees Hengeveld
Wiley-Blackweell, 2012
Buku Teks
edited by Archibald A. Hill
Voice of America, 1969
Buku Teks