Fennelly, Lawrence J.
Museum, archive, and library security
Butterworth, 1983
 Buku Teks
Jefkins, Frank William
Public relations
Erlangga, 2004
 Buku Teks
Jefkins, Frank William
Public relations
Erlangga, 2004
 Buku Teks
Bernays, Edward L.
Public relations
University of Oklahoma Press, 1952
 Buku Teks
Sloane, Arthur A.
Labor relations
Prentice-Hall,
 Buku Teks