Chú thích Nguyên_thủ_quốc_gia

  1. 1 2 Anthony Grafton, Glenn W. Most, Salvatore Settis, The Classical Tradition, trang 159
  2. Andrea Grafetstätter, Sieglinde Hartmann, James Michael Ogier, Islands and Cities in Medieval Myth, Literature, and History: Papers Delivered at the International Medieval Congress, University of Leeds, in 2005, 2006, and 2007, trang 113