Keizer, Evelien. "Modal Adverbs in FDG: Putting the Theory to the Test" Open Linguistics, vol. 4, no. 1, 2018, pp. 356-390. https://doi.org/10.1515/opli-2018-0019
Keizer, E. (2018) Modal Adverbs in FDG: Putting the Theory to the Test. Open Linguistics, Vol. 4 (Issue 1), pp. 356-390. https://doi.org/10.1515/opli-2018-0019
Keizer, Evelien. "Modal Adverbs in FDG: Putting the Theory to the Test" Open Linguistics 4, no. 1 (2018): 356-390. https://doi.org/10.1515/opli-2018-0019