Hamill, Pete
Forever
Little, Brown and Company, 2003
 Buku Teks
Ingpen, Robert
Encyclopedia of ideas that changed the world : the greatest discoveries and inventions of human history
Dragon's World, 1993
 Buku Referensi
Filkins, Dexter
The forever war
Vintages Books, 2009
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Steel, Danielle
Friends forever
Corgi, 2013
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Stephani Zeni
A week to forever
Gramedia Pustaka Utama , 2014
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