LUTTRELL, R. M. (2019). Public relations campaigns: An integrated approach. Sage.
Lua i Stíl Chicago (17ú heag.)LUTTRELL, Regina M. Public Relations Campaigns: An Integrated Approach. Sage, 2019.
Lua MLA (8ú heag.)LUTTRELL, Regina M. Public Relations Campaigns: An Integrated Approach. Sage, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.