Stein, Gunther, author
McGraw-Hill Book Company, Inc., 1945
Buku Teks
Taylor, Charles
Random House, 1966
Buku Teks
Golding, William, 1911-1993, author
Penguin Books, 2016
Buku Teks
Moraes, Francis Robert
Macmillan, 1953
Buku Teks
Hongkong Kingsway International Publications 1981
Buku Referensi