L`Engle, Madeleine, author
Dell Publishing, 1978
Buku Teks
Payne, Laurence, author
Hodder and Stoughton , 1985
Buku Teks
Butcher, William, author
Macmillan, 1990
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Kim, Sung-hwa
Korea Pub., 2002
Buku Teks
Asimov, Isaac, author
Grafton Books, 1990
Buku Teks