round₁

Sources

• TRASK 1996 312-313

  TRASK, R. L. (1996) A Dictionary of Phonetics and Phonology. London: Routledge. 

• AKMAJIAN etal. 1984 147

  AKMAJIAN, Adrian, DEMERS, Richard A., & HARNISH, Robert M. (1984) Linguistics: An Introduction to Language and Communication, 2nd Ed. Cambridge, MA: The MIT Press.

• PALMATIER 1972 149-150

  PALMATIER, Robert A. (1972) A Glossary for English Transformational Grammar. New York: Appleton-Century-Crofts.