Singh, U.K.
International encyclopaedia of professional management : vol. 2, marketing management
Anmol Publications, 1998
Buku Referensi
Taffinder, Paul
Encyclopaedia of management : leadership vol. 1
Crest publishing, 1999
Buku Referensi
Jones, Gerre
Public relations for the design professional / Gerre Jones
McGraw-Hill, 1980
Buku Teks
International public relations : a comparative analysis
Erlbaum, 1996
Buku Teks
Onong Uchjana Effendy
Human relations dan public relations dalam management
Alumni, 1983
Buku Teks