Im, Ji Ryong
Kugo ui miron = language semantics
Thamchulphansa, 2010
 Buku Referensi
Horne, Elinor C.
Introduction to spoken Korean / by Elinor Clark Horne and Sang Soon Yun
Institute of far Eastern Languages Yale Univesity , 1951
 Buku Teks
Korean for foreigners / compiled by GANADA Korean language institute; translated by Lee Kee-Dong
Language Plus, 1997
 Buku Teks
Gateway to speaking Korean: practical text for foreigners / by the Association of Foreign Language Propagation
by The Association of Foreign Language Propagation
Moon-Ye Suhlim, 1973
 Buku Teks
Ji, Young-sin
Consonantal production and coarticulation in Korean / Ji Young-sin
Hankuk Publisher, 1997
 Buku Teks