Wardhaugh, R. (1993). Investigating language: Central problems in linguistics. Blackwell.
Chicago (17e ed.) BronvermeldingWardhaugh, Ronald. Investigating Language: Central Problems in Linguistics. Oxford: Blackwell, 1993.
MLA (9e ed.) BronvermeldingWardhaugh, Ronald. Investigating Language: Central Problems in Linguistics. Blackwell, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.