Chŏng, O. (1991). Chosŏn hugi chisŏngsa (1 swae.). Ilchisa.
Chicago Style (17th ed.) CitationChŏng, Ok-cha. Chosŏn Hugi Chisŏngsa. 1 swae. Sŏul: Ilchisa, 1991.
MLA (9th ed.) CitationChŏng, Ok-cha. Chosŏn Hugi Chisŏngsa. 1 swae. Ilchisa, 1991.
Warning: These citations may not always be 100% accurate.