Historical Dictionary of the Republic of Macedonia, Dimitar Bechev, Scarecrow Press, 2009, ISBN 0810862956, p. 75.
Entangled Histories of the Balkans: Volume One: National Ideologies and Language Policies, Roumen Daskalov, Tchavdar Marinov, BRILL, 2013, ISBN 900425076X, p. 303.