APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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