Langton, J. (1979). Geographical change and industial revolution: : coalmining in south west Lancashire 1590-1799. Cambridge: Cambridge University Press.
Παραπομπή Chicago StyleLangton, John. Geographical Change and Industial Revolution: : Coalmining in South West Lancashire 1590-1799. Cambridge: Cambridge University Press, 1979.
Παραπομπή MLALangton, John. Geographical Change and Industial Revolution: : Coalmining in South West Lancashire 1590-1799. Cambridge: Cambridge University Press, 1979.
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