McElreath, M. P. (1997). Managing systematic and ethical public relations campaigns. Brown & Benchmark.
Lua i Stíl Chicago (17ú heag.)McElreath, Mark P. Managing Systematic and Ethical Public Relations Campaigns. Brown & Benchmark, 1997.
Lua MLA (8ú heag.)McElreath, Mark P. Managing Systematic and Ethical Public Relations Campaigns. Brown & Benchmark, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.