Baker, Paul
Edinburgh University Press, 2006
Buku Referensi
Davies, Alan, 1931 February 17-
Lawrence Erlbaum Associates, 2005
Buku Referensi
Davies, Alan, 1931 February 17-
Lawrence Erlbaum, 2005
Buku Referensi
edited by Barbara Dancygier
Cambridge University Press, 2017
Buku Teks
Lee, David
Oxford University Press, 2004
Buku Teks