Poroner, P. (1994). Assertionism. Pamela J. Sweeney.
Lua i Stíl Chicago (17ú heag.)Poroner, Palmer. Assertionism. New Jersey: Pamela J. Sweeney, 1994.
Lua MLA (9ú heag.)Poroner, Palmer. Assertionism. Pamela J. Sweeney, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.