Hill, John W., author
Pearson - Prentice Hall, 2010
Buku Teks
Dickens, Charles, 1812-1870, author
Oxford University Press, 1959
Buku Teks
Hornstein, Norbert, author
MIT Press, 1990
Buku Teks
Times Books, 1991
Buku Referensi
Balfour, Michael
Penguin Books, 1964
Buku Teks