National Academy of the Korean Language, 2002
Buku Referensi
Farrell, Jane
J.B. Lippincott, 1986
Buku Teks
Charle, Suzanne
Collins, 1990
Buku Referensi
Cohen, Barbara Janson
Wolters Kluwer, 2008
Buku Teks
Xu, Yi-bing
People's Medical Publishing House, 2007
Buku Teks