Hamill, Pete
Forever
Little, Brown and Company, 2003
 Buku Teks
Filkins, Dexter
The forever war
Vintages Books, 2009
 Buku Teks SO
Stephani Zeni
A week to forever
Gramedia Pustaka Utama , 2014
 Buku Teks SO
Friends of Indonesia
Departemen of Comunication & Indormation Technology,
 Majalah, Jurnal, Buletin
Darwis [Tere Liye], 1979-
#About Friends
Gramedia Pustaka Utama, 2017
 Buku Teks SO