edited by Grahame Johnston
Oxford University Press, 1980
Buku Referensi
edited by George W. Turner
Melbourne, Oxford University Press, 1987
Buku Referensi
Oxford : Oxford University Press, 1995,
Buku Referensi
Oxford university press , 1992
Buku Teks
edited by Della Thompson
Oxford University Press, 1996
Buku Referensi