Jefkins, F. Planned public relations.
Lua i Stíl Chicago (17ú heag.)Jefkins, Frank. Planned Public Relations.
Lua MLA (9ú heag.)Jefkins, Frank. Planned Public Relations.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)