CLARK, R. (1996). Marine Pollution Rb Clark. Clarendon Press.
Lua i Stíl Chicago (17ú heag.)CLARK, RB. Marine Pollution Rb Clark. Clarendon Press, 1996.
Lua MLA (8ú heag.)CLARK, RB. Marine Pollution Rb Clark. Clarendon Press, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.