FAO. (1981). Cambridge encyclopedia of earth sciences. Cambridge University Press.
Chicago Edition CitationFAO. Cambridge Encyclopedia of Earth Sciences. London: Cambridge University Press, 1981.
Deismireacht MLAFAO. Cambridge Encyclopedia of Earth Sciences. Cambridge University Press, 1981.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.