Semmel, B. (1960). Imperialism and social reform: English social-imperial thought, 1895-1914. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Semmel, Bernard. Imperialism and Social Reform: English Social-imperial Thought, 1895-1914. Cambridge: Harvard University Press, 1960.
Lua MLA (9ú heag.)Semmel, Bernard. Imperialism and Social Reform: English Social-imperial Thought, 1895-1914. Harvard University Press, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.