Kugŏsa yŏn'gu /
Kim Hyŏng-gyu chŏ.
國語史 研究
APA Citation
Kim, H., 金 亨奎, 1. (1962). Kugŏsa yŏn'gu. Sŏul: Ilchogak.
MLA Citation
Kim, Hyŏng-gyu, 1911-, and 1911- 金 亨奎. Kugŏsa Yŏn'gu. Sŏul: Ilchogak, 1962.
Warning: These citations may not always be complete (especially for serials).