Acton, J. E. E. D. A., Ward, A. W., Prothero, G. W., & Leathes, S. (1934). The Cambridge modern history. Cambridge: University Press.
Παραπομπή Chicago StyleActon, John Emerich Edward Dalberg Acton, A. W. Ward, G. W. Prothero, and Stanley Leathes. The Cambridge Modern History. Cambridge: University Press, 1934.
Παραπομπή MLAActon, John Emerich Edward Dalberg Acton, A. W. Ward, G. W. Prothero, and Stanley Leathes. The Cambridge Modern History. Cambridge: University Press, 1934.
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