National Geographic Book Service.
National Geographic Society, 1987
Buku Referensi
Luo, Zhewen, author
China Architecture & Building Press, 2010
Buku Teks
O, Ju-han, author
Esang Song, 2011
Buku Teks
Kil sang Yi
Academy of Korean Studies, 2006
Buku Teks
Lindsay, Anne, author
Routledge, 2020
Buku Teks