Nova, F. (2011). Crisis public relations. Rajawali Pers.
Lua i Stíl Chicago (17ú heag.)Nova, Firsan. Crisis Public Relations. Rajawali Pers, 2011.
Lua MLA (8ú heag.)Nova, Firsan. Crisis Public Relations. Rajawali Pers, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.