Crystal, D. e. (2000). The Cambridge factfinder. Cambridge University Press.
Chicago Edition CitationCrystal, David ed. The Cambridge Factfinder. Cambridge, UK: Cambridge University Press, 2000.
MLA Edition CitationCrystal, David ed. The Cambridge Factfinder. Cambridge University Press, 2000.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.