Harsall, W. (1972). Who's who in history. Basil Blackwell.
Chicago-čujuhus (17. p.)Harsall, W.O. Who's Who in History. Oxford: Basil Blackwell, 1972.
MLA-čujuhus (9. p.)Harsall, W.O. Who's Who in History. Basil Blackwell, 1972.
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