Commons, John R.
Macmillan, 1956
Buku Teks
Park, Jae Dong
Hangyorae Chulpan, 2007
Buku Teks
Eliot, Charles William, 1834-1926
Routledge & Kegan Paul, 1954
Buku Teks
Gieser, Carl Richard
Summer Institute of Linguistics, 1963
Buku Teks
Pott, F.L. Hawks
Kelly and Walsh, 1936
Buku Teks