Hardwick, J. M. D., & Hardwick, M. (1973). The Charles Dickens encyclopedia. Osprey.
Lua i Stíl Chicago (17ú heag.)Hardwick, John Michael Drinkrow, agus Mollie Hardwick. The Charles Dickens Encyclopedia. [Reading, Berkshire]: Osprey, 1973.
Lua MLA (9ú heag.)Hardwick, John Michael Drinkrow, agus Mollie Hardwick. The Charles Dickens Encyclopedia. Osprey, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.