Editor: A.J. Stockwell, R. Asthon
HMSO, 1995
Buku Teks
Sears, Francis Weston, 1898-1975
Addison-Wesley , 1982
Buku Teks
Myongdo Language Institute, [date of publication not identified]
Buku Teks
Halliday, David, 1916-2010
John Wiley & Sons, 1962
Buku Teks
Meriam, J.L. (James L.)
John Wiley & Sons, 1959
Buku Teks