Yim, Seock Jae
Ewha Womans University Press, 2005
Buku Teks SO
Badcock, Sarah
Oxford University Press, 2016
eBooks
Brecher, Michael
Frederick A. Praeger, 1966
Buku Teks SO
Pálossy, László, 1928-
Akadémiai Kiadó, 1993
Buku Teks SO
Forsh, Olga
Foreign Languages Publishing House, [date of publication not identified]
Buku Teks