Clark, J. R. (1998). Coastal seas: The conservation challenge. Blackwell Science.
Lua i Stíl Chicago (17ú heag.)Clark, John R. Coastal Seas: The Conservation Challenge. Blackwell Science, 1998.
Lua MLA (8ú heag.)Clark, John R. Coastal Seas: The Conservation Challenge. Blackwell Science, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.