Thomson, D. (1950). England in the nineteenth century. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Thomson, David. England in the Nineteenth Century. Middlesex: Penguin Books, 1950.
Lua MLA (9ú heag.)Thomson, David. England in the Nineteenth Century. Penguin Books, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.