edited by Michael Allaby
Oxford University Press, 1992
Buku Teks
edited by Kevin Jackson
Oxford University Press, 1996
Buku Teks
Rogers Detels ... [et al.], editor
Oxford University Press, 2011
Buku Teks
Mayhew, Susan, author
Oxford University Press, 1992
Buku Referensi
French, F. G., author
Oxford University Press, 1951
Buku Teks