Na ittŏn kŭ chari e
Subtitle: Yu Sŭng-u chiŭm
Edition: Chʻopʻan
Series: Midŭm ŭi sisŏn -- 19
Publisher: Chongno Sŏjŏk
Published: 1989
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 97