APA (7e ed.) Bronvermelding

Tillitt, B., & Bruder, M. N. (1985). Speaking naturally: Communication skills in American English. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Tillitt, Bruce, en Mary Newton Bruder. Speaking Naturally: Communication Skills in American English. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1985.

MLA (8e ed.) Bronvermelding

Tillitt, Bruce, en Mary Newton Bruder. Speaking Naturally: Communication Skills in American English. Cambridge University Press, 1985.