unification

Sources

• DOKE 1935 214

  DOKE, Clement M. (1935) Bantu Linguistic Terminology. London: Longmans, Green, & Co.

• FERGUSON 1959 338

  FERGUSON, Charles. (1959) "Diglossia," in Word 15, 325-340.

• MATTHEWS 1997 390

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

• CRYSTAL 2003 482-483

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