Ike, Chukwuemeka
The Potter's Wheel (Collins English Library)
William Collins Sons and Co Ltd, 1986
 Buku Teks SO
Rowling, J.K, 1965-
Harry Potter dan Orde Phoenix
Gramedia Pustaka Utama, 2004
 Buku Teks SO
Potter, Beatrix, 1866-1943
Beatrix Potter collection : Volume one and Two
Wordsworth Classics, 2014
 Buku Teks SO
Collins COBUILD English dictionary
editor in chief, John Sinclair
HarperCollins Publishers, 1995
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Collins today's English dictionary
HarperCollin Publishers, 1995
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