2307/475860. Hualde, José Ignacio; Ortiz de Urbina, Jon (编), A grammar of Basque, Berlin: Mouton de Gruyter, 2003, ISBN 3-11-017683-1 Kohler, Klaus, German
(原始内容存档于2016-11-27) Hualde, José Ignacio; Lujanbio, Oihana; Zubiri, Juan Joxe, Goizueta Basque (PDF), Journal of the International Phonetic Association, 2010, 40 (1):
Victoria (2005). The politics of script reform in Soviet Turkmenistan: alphabet and national identity formation. Unpublished doctoral thesis, Ohio State