Kortlandt, Frederik, trans. „The Inflexion of the Indo-European o-Stems in Balto-Slavic“. Baltistica 51, no. 1 (sausio 28, 2026): 87–96. žiūrėta vasario 23, 2026. https://www.zurnalai.vu.lt/baltistica/article/view/39193.