Dunn, William N.
Hanindita, 1988
Buku Teks
by Peter Knoepfel ... [and others]
Policy Press, 2007
Buku Teks
Dunn, William N., author
Gadjah Mada University Press , 2003
Buku Teks
edited by Joseph S. Wholey
Jossey-Bass Publishers, 1994
Buku Teks
Smith, Kevin, author
Westview Press, Boston, Massachusetts : Credo Reference, 2013
Buku Teks