Lua APA (7ú heag.)
Sassoon, R. (2011). Marion Richardson: Her life and her contribution to handwriting. Intellect.
Lua i Stíl Chicago (17ú heag.)
Sassoon, Rosemary. Marion Richardson: Her Life and Her Contribution to Handwriting. Bristol: Intellect, 2011.
Lua MLA (9ú heag.)
Sassoon, Rosemary. Marion Richardson: Her Life and Her Contribution to Handwriting. Intellect, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.