Young Adult Library Services Association
American Library Association, 2006
eBooks
Calak, Thomas
Progressive Grocer Magazine , 1961
Buku Teks
R.M. Wasisto Surjodiningrat, author
Gadjah Mada University Press, 1993
Buku Teks
Deniawan Susanto Djaman, author
Program Pascasarjana Universitas Indonesia, 2006
UI - Tesis (Membership)
Ople, Blas F., author
The Institute for Public Policy, 2001
Buku Teks