Gerutis 1984, p. 325. Gerutis, Albertas, ed. (1984). Lithuania: 700 Years. Translated by Budreckis, Algirdas (6th ed.). New York: Manyland Books. ISBN0-87141-028-1. LCCN75-80057.
Gerutis 1984, pp. 325–326. Gerutis, Albertas, ed. (1984). Lithuania: 700 Years. Translated by Budreckis, Algirdas (6th ed.). New York: Manyland Books. ISBN0-87141-028-1. LCCN75-80057.
Gerutis 1984, p. 326. Gerutis, Albertas, ed. (1984). Lithuania: 700 Years. Translated by Budreckis, Algirdas (6th ed.). New York: Manyland Books. ISBN0-87141-028-1. LCCN75-80057.