(1995). Geomorphology And Groundwater Ed. A.g Brown. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Geomorphology And Groundwater Ed. A.g Brown. John Wiley & Sons, 1995.
Lua MLA (8ú heag.)Geomorphology And Groundwater Ed. A.g Brown. John Wiley & Sons, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.