Plimoton, George
W.W. Norton, 1995
Buku Teks
Korea Korean Overseas Information Service
Office for Government Policy Coordination, 2006
Buku Teks
Feiwel, George R.
Praeger Pub., 1972
Buku Teks
Trotter, Jeffrey P., author
American Hospital , 1995
Buku Teks
Koupelis, Theo, author
Jones & Bartlett learning, 2011
Buku Teks