1. Aikhenvald, Alexandra Y. 2010. Imperatives and commands. Oxford: Oxford University Press.
2. Aissen, Judith. 2003. Differential object marking: Iconicity vs. economy. Natural Language & Linguistic Theory 21(3). 435–483.
3. Arkadiev, Peter. 2015. Areal’naja tipologija prefiksal’nogo perfektiva (na materiale jasykov Evropy i Kavkazy) [Areal typology of the prefixational perfective (based on the languages of Europe and the Caucasus)]. Moskva: Jazyki slavjanckoj kul’tury.
4. Becker, Laura. 2018. Aspectuality in Hungarian, German, and Slavic. A parallel corpus study. In Eric Fuß, Marek Konopka, Beata Trawinski & Ulrich H. Waßner (eds.), Grammar and Corpora 2016, 183–207. Heidelberg: Heidelberg University Publishing.
5. Bertinetto, Pier Marco. 1997. Il dominio tempo-aspettuale: Demarcazioni, intersezioni, contrasti. Torino: Rosenberg & Sellier.