Παραπομπή APA
Clapham, J. H. s. 1. (1967). An Economic history of modern Britain: The early railway age 1820-1850 (2nd ed.). Cambridge: University press.
Παραπομπή Chicago StyleClapham, John Harold sir 1873-1946. An Economic History of Modern Britain: The Early Railway Age 1820-1850. 2nd ed. Cambridge: University press, 1967.
Παραπομπή MLAClapham, John Harold sir 1873-1946. An Economic History of Modern Britain: The Early Railway Age 1820-1850. 2nd ed. Cambridge: University press, 1967.
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