Im, Ji Ryong
Kugo ui miron = language semantics
Thamchulphansa, 2010
 Buku Referensi
Sweetser, Eve
From etymology to pragmatics: metaphorical and cultural aspects of semantics structure
Cambridge University Press, 1994
 Buku Teks
Choi, Song Wu
Gugo-ui gosu.1-3
Communication Books, 2007
 Buku Referensi
A study of contemporary Ghana Volume II : some aspects of social structure / edited, Walter Birmingham
Northwestern University Press, 1967
 Buku Teks
Kim, Tae Gon
Gugo ohwi ui thongsijok yongu
Bogjong, 2008
 Buku Teks