Edwards, Philip, author
British Council by Longmans, Green, 1970
Buku Teks
Bradbrook, Muriel Clara, 1909-1993, author
Cambridge University Press, 1980
Buku Teks
Thomas, Dylan
New Directions, 1954
Buku Teks
Thomas, Luis Filipe F. Freis
CTMCDC, 2000
Buku Teks
edited by Miguel de Beistegui, Simon Sparks
Routledge, 2000
Buku Teks