Johnson, Elmer D., author
The Scarecrow Press, 1970
Buku Teks
by Carter J. Eckert ... [et.al.]
Korea Institute, Harvard University, 1990
Buku Teks
Hymes, Dell H., author
Amsterdam John Benjamins 1983
Buku Teks
Taylor, A. J. P. (Alan John Percivale), 1906-1990
Harmondsworth Penguin Books 1976,
Buku Teks
Chiba J-PAC Chiba University 1998,
Buku Teks