F.G.Bell. (2012). Fundamental of Engineering Geology (Second.). BSP.
Chicago Edition CitationF.G.Bell. Fundamental of Engineering Geology. Second. Hyderabad: BSP, 2012.
Deismireacht MLAF.G.Bell. Fundamental of Engineering Geology. Second. BSP, 2012.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.