HSK jichu kaoqian qianghua xunlian Editor ... [et.al]
Beijing Xin shijie Chubanshe 2000
 Buku Teks
Martin, Samuel E.
Reference grammar of Korean a complete guide to the grammar and history of the Korean language
Rutland Charles E. Tuttle Company 1992
 Buku Referensi
Buku nemai ... [et al.]
Irian Jaya Uncen-SIL 1983
 Buku Teks
Studia neophilologia : a journal of Germanic and Romanic, philology
Uppsala : Almqvist & Winksells Boktrvckeri AB
 Majalah, Jurnal, Buletin
Wichman, K.
McKay's modern German-English and English-German dictionary with rules as pronunciation
New York, David Mckay Company
 Buku Referensi