M. Snædal, „Three persistent problems .......... 619”, w Essays in the History of Languages and Linguistics: Dedicated to Marek Stachowski on the Occasion of His 60th Birthday, M. Németh, B. Podolak, M. Urban, i D. R. Piwowarczyk, Red. Poland: Wydawnictwo Księgarnia Akademicka, 2017. doi: 10.12797/9788376388618.38.