Hannes Grandits, Nathalie Clayer e Robert Pichler, Conflicting Loyalties in the Balkans The Great Powers, the Ottoman Empire and Nation-building, Gardners Books, 2010, p. 309, ISBN 978-1-84885-477-2.
«In 1868 the vilayet of Prizren was created with the sancaks of Prizren, Dibra, Skopje and Niš; it only existed till 1877»