open₂

Sources

• NASH 1968 161

  NASH, Rose. (1968) Multilingual Lexicon of Linguistics and Philology: English, Russian, German, French. Coral Gables, FL: University of Miami Press. 

• ELL 5151 (#4)

  The Encyclopedia of Language & Linguistics. (1994) Oxford: Pergamon Press.

• MATTHEWS 1997 318 (open condition)

  MATTHEWS, P.H. (1997) The Concise Oxford Dictionary of Linguistics. Oxford: Oxford University Press.

• KROEGER 2005 203, 347 (open question)

  KROEGER, Paul R. (2005) Analyzing Grammar: An Introduction. Cambridge: Cambridge University Press.

• CRYSTAL 2003 326-327 (#4)

  CRYSTAL, David. (2003) A Dictionary of Linguistics and Phonetics, 5th Ed Oxford: Blackwell.