Shin, Edysen
Mandarin for office : Mandarin-Indonesia-Inggris
Kesaint Blanc, 2008
 Buku Teks SO
Vocabulary, exercises and conversational drill based on the Naganuma readers, book II-III.
University of California Press, 1945.
 Buku Teks
Gateway to speaking Korean: practical text for foreigners
by The Association of Foreign Language Propagation
Moon-Ye Suhlim, 1973
 Buku Teks SO
Gilbert, Mark
Let's talk French / Mark Gilbert
Hodder & Stoughton, 1999
 Buku Teks SO
Revere, Stephen
Survival Korean: basic grammar skills / Stephen Revere
Traveler's Korean, 2007
 Buku Teks