Beckwith, C. I. (2007). Koguryo, the language of Japan's continental relatives: An introduction to the historical-comparative study of the Japanese-Koguryoic languages with a preliminary description of Archaic northeastern Middle Chinese (2nd ed.). Brill.
Chicago-Zitierstil (17. Ausg.)Beckwith, Christopher I. Koguryo, the Language of Japan's Continental Relatives: An Introduction to the Historical-comparative Study of the Japanese-Koguryoic Languages with a Preliminary Description of Archaic Northeastern Middle Chinese. 2nd ed. Leiden: Brill, 2007.
MLA-Zitierstil (9. Ausg.)Beckwith, Christopher I. Koguryo, the Language of Japan's Continental Relatives: An Introduction to the Historical-comparative Study of the Japanese-Koguryoic Languages with a Preliminary Description of Archaic Northeastern Middle Chinese. 2nd ed. Brill, 2007.