Timur KOCAOĞLU (In collaboraation with Mykolas Firkovicius (1924-2000)), Karay, The Trakay Dialect, Languages of the World/materials: 458, Lincom Europa, 2006, 242 p., ISBN: 3-89-586-490-0
Timur KOCAOĞLU (In collaboraation with Mykolas Firkovicius (1924-2000)), Karay, The Trakay Dialect, Languages of the World/materials: 458, Lincom Europa, 2006, 242 p., ISBN: 3-89-586-490-0
Dilek, F. G. (2009). Timur KOCAOĞLU (In collaboraation with Mykolas Firkovicius (1924-2000)), Karay, The Trakay Dialect, Languages of the World/materials: 458, Lincom Europa, 2006, 242 p., ISBN: 3-89-586-490-0. Dil Araştırmaları, 4(4), 188-191.