Moo, Joash
Time Books International, 1993
Buku Teks
Robbins, Harold, 1916-1997
New English Library, 1973
Buku Teks
Russell, Robert, 1924-2011, author
Vanguard Press, 1962
Buku Teks
Scott, Paul
Panther Books, 1983
Buku Teks
Yi, Chongjun
Jimoondang Publ. Co, 2002
Buku Teks