Lenihan, J. (1977). The marine environement. Blackie and Sons.
Lua i Stíl Chicago (17ú heag.)Lenihan, John. The Marine Environement. Glasgow: Blackie and Sons, 1977.
Lua MLA (9ú heag.)Lenihan, John. The Marine Environement. Blackie and Sons, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.