Rotblat, Joseph, author
I. B. Tauris, 2007
Buku Teks
Juth, Niklas
Springer, 2012
eBooks
Paramita Purnaningtyas, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2016
UI - Skripsi (Membership)
Koocher, Gerald P., author
Oxford University Press, 1998
Buku Teks
Homan, Roger
Longman, 1991
Buku Teks