Smyth, J. C. (1968). Shells and shellfish. Oliver and Boyd.
Lua i Stíl Chicago (17ú heag.)Smyth, J. C. Shells and Shellfish. Londres: Oliver and Boyd, 1968.
Lua MLA (9ú heag.)Smyth, J. C. Shells and Shellfish. Oliver and Boyd, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.