SINGH U K. (1998). INTERNATIONAL ENCYCLOPAEDIA OF PROFESSIONAL MANAGEMENT: PUBLIC RELATIONS MGMT. ANMOL PUBLISHERS.
Chicago-viite (17. p.)SINGH U K. INTERNATIONAL ENCYCLOPAEDIA OF PROFESSIONAL MANAGEMENT: PUBLIC RELATIONS MGMT. NEW DHLHI: ANMOL PUBLISHERS, 1998.
MLA-viite (9. p.)SINGH U K. INTERNATIONAL ENCYCLOPAEDIA OF PROFESSIONAL MANAGEMENT: PUBLIC RELATIONS MGMT. ANMOL PUBLISHERS, 1998.
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