1. Evidentiality;Aikhenvald, Alexandra Y.,2004
2. Intonation and discourse: Biased questions;Asher, Nicholas,2007
3. A magyar nyelv történeti-etimológiai szótára I. [Historical-etymological dictionary of Hungarian I];Benkő, Loránd,1967
4. Aren’t positive and negative polar questions the same? Manuscript;Büring, Daniel,2000
5. On question tags and confirmation requests. Talk presented at GLOW 41, Budapest;Castroviejo, Elena,2018