"Frontmatter". Phonological Typology, edited by Larry M. Hyman and Frans Plank, Berlin, Boston: De Gruyter Mouton, 2018, pp. I-IV. https://doi.org/10.1515/9783110451931-fm
(2018). Frontmatter. In L. Hyman & F. Plank (Ed.), Phonological Typology (pp. I-IV). Berlin, Boston: De Gruyter Mouton. https://doi.org/10.1515/9783110451931-fm
"Frontmatter" In Phonological Typology edited by Larry M. Hyman and Frans Plank, I-IV. Berlin, Boston: De Gruyter Mouton, 2018. https://doi.org/10.1515/9783110451931-fm