Vickers, Geoffreyt
Basic Books, Inc., 1965
Buku Teks
edited by Raymond A. Bauer, Kenneth J. Gergen
The Free Press, 1968
Buku Teks
Jones, Charles O.
Brooksm, 1977
Buku Teks
edited by Arch G. Woodside
Emerald, 2016
eBooks
Bambang Marhaendra Djaja, author
Universitas Indonesia, 2016
UI - Disertasi (Membership)