Hardy, A. C. (1965). The open sea: Its natural history. Houghton.
Lua i Stíl Chicago (17ú heag.)Hardy, Alister Clavering. The Open Sea: Its Natural History. Boston: Houghton, 1965.
Lua MLA (9ú heag.)Hardy, Alister Clavering. The Open Sea: Its Natural History. Houghton, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.