Vandesande, Anthony V.
Myongdo Institute, 1967
Buku Teks
Editor: A.J. Stockwell, R. Asthon
HMSO, 1995
Buku Teks SO
Sears, Francis W. [Francis Weston], 1898-1975
Addison-Wesley, 1982
Buku Teks SO
edited by R.W. Cahn and P. Haasen
North-Holland, 1983
Buku Teks SO
Myongdo Language Institute, [Date of publication not identified]
Buku Teks