Rock, David, author
Collins, 2006
Buku Teks
Pike, Douglas, 1908-1974, author
Cambridge University Press, 1970
Buku Teks
Gibney, Frank
Walker and company, 1992
Buku Teks
Sholokhov, Mikhail Aleksandrovich, author
Forign English Publishing House, [date of publication not identified]
Buku Teks
edited by Jason C. Hu
Kwang Hwa, 1994
Buku Teks