Goode, Richard
John Wiley & Sons, 1951
Buku Teks
Dubin, Jeffrey A., author
Springer, 2012
eBooks
Puti Namira Mairani, author
Universitas Indonesia, 2013
UI - Skripsi (Membership)
Pechman, Joseph A., author
Brookings Institution, 1983
Buku Teks
Pechman, Joseph A., author
W.W. Norton, 1971
Buku Teks