Knowles, L. (1926). The industrial and commercial revolutions in Great Britain during the nineteenth century (4th ed.). Routledge & Kegan.
Cita Chicago (17th ed.)Knowles, L.C.A. The Industrial and Commercial Revolutions in Great Britain During the Nineteenth Century. 4th ed. London: Routledge & Kegan, 1926.
Cita MLA (9th ed.)Knowles, L.C.A. The Industrial and Commercial Revolutions in Great Britain During the Nineteenth Century. 4th ed. Routledge & Kegan, 1926.
Atenció: Aquestes cites poden no estar 100% correctes.