Berkman, E. (1987). The Power of Memory.
Lua i Stíl Chicago (17ú heag.)Berkman, Ellen. The Power of Memory. 1987.
Lua MLA (8ú heag.)Berkman, Ellen. The Power of Memory. 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.