edited by Antony Easthope, John O. Thompson
Harvester Wheatsheaf, 1991
Buku Teks
Lennard, John
University Press, 2005
Buku Referensi
Spacks, Patricia Meyer
Wiley-Blackwell, 2009
Buku Teks
Stafford, Fiona
Wiley Blackwell, 2012
Buku Teks
Ross, Alan
British Council, 1951
Buku Teks