(1992). Excellence in public relations and communication management. LEA.
Lua i Stíl Chicago (17ú heag.)Excellence in Public Relations and Communication Management. LEA, 1992.
Lua MLA (8ú heag.)Excellence in Public Relations and Communication Management. LEA, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.