Ashton, T. S. (1951). Iron and steel in the industrial revolution (2d ed.). Manchester University Press.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAshton, Thomas Southcliffe. Iron and Steel in the Industrial Revolution. 2d ed. Manchester, Eng: Manchester University Press, 1951.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAshton, Thomas Southcliffe. Iron and Steel in the Industrial Revolution. 2d ed. Manchester University Press, 1951.