Hornby, Albert Sydney, author
Oxford University Press , 1963
Buku Teks
Hornby, Albert Sydney, author
Oxford University Press, 1973
Buku Referensi
Hornby, Albert Sydney, author
Oxford University Press, 1954
Buku Referensi
Hennessy, Michael, author
Random House, 1988
Buku Teks
Anderson, W.M. (Wendy M.), author
Wiley Publishing , 2013
Buku Teks