Chosŏn nongŏp kisul sosa /
Yi Chʻun-nyŏng chŏ.
朝鮮農業技術小史
APA Citation
Yi, C., 李春寧, 1. (1950). Chosŏn nongŏp kisul sosa. [Sŏul]: Ŭryu Munhwasa.
MLA Citation
Yi, Chʻun-nyŏng, 1917-, and 1917- 李春寧. Chosŏn Nongŏp Kisul Sosa. [Sŏul]: Ŭryu Munhwasa, 1950.
Warning: These citations may not always be complete (especially for serials).