Bruce Tillitt. (1989). Speaking naturally communication skills in American English. Cambridge: Cambridge Univ.
Chicago Style citaatBruce Tillitt. Speaking Naturally Communication Skills in American English. Cambridge: Cambridge Univ, 1989.
MLA citatieBruce Tillitt. Speaking Naturally Communication Skills in American English. Cambridge: Cambridge Univ, 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.