Bishop, S. (2007). Assertiveness Skills Training. Viva books.
Lua i Stíl Chicago (17ú heag.)Bishop, Sue. Assertiveness Skills Training. New Delhi: Viva books, 2007.
Lua MLA (9ú heag.)Bishop, Sue. Assertiveness Skills Training. Viva books, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.