Ambler, S. T., author
Oxford University Press, 2017
eBooks
Gooch, G.P., author
Oxford University Press, 1946
Buku Teks
Henderson, Gerard, author
Hale & Iremonger, 1983
Buku Teks
Fowler, Robert Booth, author
University Press of Kansas, 1991
Buku Teks
edited by David S.G. Goodman
Routledge, 1997
Buku Teks