Humphries, J. (2010). Childhood and Child Labour in the British Industrial Revolution. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Humphries, J. Childhood and Child Labour in the British Industrial Revolution. Cambridge University Press, 2010.
Lua MLA (9ú heag.)Humphries, J. Childhood and Child Labour in the British Industrial Revolution. Cambridge University Press, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.