Crowley, R. (2009). Empires of the sea: The final battle for the Mediterranean / Roger Crowley. Faber and Faber.
Lua i Stíl Chicago (17ú heag.)Crowley, Roger. Empires of the Sea: The Final Battle for the Mediterranean / Roger Crowley. London: Faber and Faber, 2009.
Lua MLA (8ú heag.)Crowley, Roger. Empires of the Sea: The Final Battle for the Mediterranean / Roger Crowley. Faber and Faber, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.