The American University, 1976
Buku Teks
Braginsky, Vladimir I.
KITLV, 1993
Buku Teks
Fisher, Howard D.
Cavendish Publishing Limited, 1999
Buku Teks
Joseph, Raz
Oxford Clarendon Press, 1970
Buku Teks
Plucknett, Theodore Frank Thomas
At The University Press, 1958
Buku Teks