Caravale, G. (1985). The Legacy of Ricardo. Basil Blackwell.
Lua i Stíl Chicago (17ú heag.)Caravale, Giovanni. The Legacy of Ricardo. Oxford: Basil Blackwell, 1985.
Lua MLA (9ú heag.)Caravale, Giovanni. The Legacy of Ricardo. Basil Blackwell, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.