1. Aarts, Bas, David Denison, Evelien Keizer & Gergana Popova (eds.). 2004. Fuzzy grammar. A reader. Oxford: Oxford University Press.
2. Aijmer, Karin. 2002. English discourse particles: Evidence from a corpus. Amsterdam/Philadelphia: John Benjamins Publishing Company.
3. Barsalou, Lawrence W. 1983. Ad hoc categories. Memory & Cognition 11. 211–227.
4. Barsalou, Lawrence W. 2010. Ad hoc categories. In Patrick C. Hogan (ed.), The Cambridge encyclopedia of the language sciences, 86–87. Cambridge: Cambridge University Press.
5. Beaulieu-Masson, Anne, Mélanie Charpentier, Lisanne Lanciault & Xiaoyan Liu. 2007. Comme en français québécois. Communication, lettres et sciences du langage 1. 27–41.