Hawkins, A. (2008). The forgotten prime minister: The 14th Earl of Derby. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Hawkins, Angus. The Forgotten Prime Minister: The 14th Earl of Derby. Oxford ; New York: Oxford University Press, 2008.
Lua MLA (9ú heag.)Hawkins, Angus. The Forgotten Prime Minister: The 14th Earl of Derby. Oxford University Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.