1. Beermann, D., Hellan, L.: Enhancing grammar and valence resources for Akan and Ga. In: West African Languages. Linguistic Theory and Communication. Wydawnictwa Uniwersytetu Warszawskiego, Warzawa, pp. 166–185 (2020). ISBN 978-83-235-4623-8
2. Bresnan, J.: Lexical Functional Grammar. Blackwell, Oxford (2001)
3. Calzolari, N., et al. (eds.): Proceedings of the 9th International Conference on Language Resources and Evaluation (LREC 2014), Reykjavík, Iceland. ELRA (2014)
4. Carpenter, B.: The Logic of Typed Feature Structures. Cambridge University Press, Cambridge (1992)
5. Copestake, A.: Implementing Typed Feature Structure Grammars. CSLI Publications, Stanford (2002)