Knowler, L. (1926). Industrial & commercial revolutions in Great Britain etc (4th.). Routledge & Kegan Paul.
Citazione stile Chigago Style (17a edizione)Knowler, L. Industrial & Commercial Revolutions in Great Britain Etc. 4th. London: Routledge & Kegan Paul, 1926.
Citatione MLA (9a ed.)Knowler, L. Industrial & Commercial Revolutions in Great Britain Etc. 4th. Routledge & Kegan Paul, 1926.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.