Indonesia : the first 50 years 1945-1995
Buku Antar Bangsa , 1995
 Buku Referensi
Reich, John W.
Perceived control: theory, research, and practice in the first 50 years
Oxford University Press, 2016
 eBooks
Atterbury, Paul
A golden adventure : the first 50 years of ULTRAMAR / Paul Atterbury, Julia MacKenzie
Hurtwood Press, 1985
 Buku Teks SO
Becaks, blackboards and beyond: a history of the british councils's first 50 years in Indonesia / Edited by John Aglionby
British Council , 1998
 Buku Teks SO
50 years the golden ascent
translated by Tam Lye Suan
Director-General Department of Infomartion Malaysia, 2008
 Buku Referensi