Haugen, P. (2008). Was Napoleon poisoned?: And other unsolved mysteries of royal history. John Wiley.
Chicago-viite (17. p.)Haugen, Peter. Was Napoleon Poisoned?: And Other Unsolved Mysteries of Royal History. Hoboken, NJ: John Wiley, 2008.
MLA-viite (8. p.)Haugen, Peter. Was Napoleon Poisoned?: And Other Unsolved Mysteries of Royal History. John Wiley, 2008.
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