Ŭn'gukchŏn wanŭi, 1809 and 銀麯廛完議, 1809
MLA
Ŭn'gukchŏn wanŭi, 1809, 銀麯廛完議, 1809. 0AD. https://collections.library.yale.edu/catalog/32456773.
APA, 6th edition
Ŭn'gukchŏn wanŭi, 1809, 銀麯廛完議, 1809. (0 C.E.). [Korean manuscripts, East Asia Library Special Collections]. https://collections.library.yale.edu/catalog/32456773.