RICHARDS, D. (1950). An illustrated history of modern Europe; 1789-1945: Denis Richards (5th ed.). Longman.
Chicago-viite (17. p.)RICHARDS, Denis. An Illustrated History of Modern Europe; 1789-1945: Denis Richards. 5th ed. London: Longman, 1950.
MLA-viite (9. p.)RICHARDS, Denis. An Illustrated History of Modern Europe; 1789-1945: Denis Richards. 5th ed. Longman, 1950.
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