Robinson, K., Madden, F., & Perham, M. F. (1963). Essays in imperial government. B. Blackwell.
Lua i Stíl Chicago (17ú heag.)Robinson, Kenneth, Frederick Madden, agus Margery Freda Perham. Essays in Imperial Government. Oxford: B. Blackwell, 1963.
Lua MLA (9ú heag.)Robinson, Kenneth, et al. Essays in Imperial Government. B. Blackwell, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.