Campbell, Lyle. Glossary of Historical Linguistics. Edinburgh University Press, 7. o. (2007). ISBN 978-0-7486-3019-6 „While 'Altaic' is repeated in encyclopedias and handbooks most specialists in these languages no longer believe that the three traditional supposed Altaic groups ... are related. In spite of this, Altaic does have a few dedicated followers.”
Starostin, George: Altaic Languages. Oxford Research Encyclopedia of Linguistics , 2016 DOI:10.1093/acrefore/9780199384655.013.35. „Despite the validity of many of these objections, it remains unclear whether they are sufficient to completely discredit the hypothesis of a genetic connection between the various branches of “Altaic,” which continues to be actively supported by a small, but stable scholarly minority.”
Starostin, George: Altaic Languages. Oxford Research Encyclopedia of Linguistics , 2016 DOI:10.1093/acrefore/9780199384655.013.35. „Despite the validity of many of these objections, it remains unclear whether they are sufficient to completely discredit the hypothesis of a genetic connection between the various branches of “Altaic,” which continues to be actively supported by a small, but stable scholarly minority.”
