APA aipamena

Bruce Tillitt, & Mary Newton Bruder. (1985). Speaking Naturally Communication Skills in American English. New York Port Chester: Cambride University Press.

Chicago Style aipamena

Bruce Tillitt, và Mary Newton Bruder. Speaking Naturally Communication Skills in American English. New York Port Chester: Cambride University Press, 1985.

MLA aipamena

Bruce Tillitt, và Mary Newton Bruder. Speaking Naturally Communication Skills in American English. New York Port Chester: Cambride University Press, 1985.