DAVIS, R. F. O. (2010). Robert Owen. Bloomsbury Academic.
Lua i Stíl Chicago (17ú heag.)DAVIS, Robert Frank O'Hagan. Robert Owen. Bloomsbury Academic, 2010.
Lua MLA (9ú heag.)DAVIS, Robert Frank O'Hagan. Robert Owen. Bloomsbury Academic, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.