Clark, R. B., Frid, C., & Attrill, M. (1997). Marine pollution (4th ed.). Clarendon Press.
Lua i Stíl Chicago (17ú heag.)Clark, R. B., Chris Frid, agus Martin Attrill. Marine Pollution. 4th ed. Oxford: Clarendon Press, 1997.
Lua MLA (9ú heag.)Clark, R. B., et al. Marine Pollution. 4th ed. Clarendon Press, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.