Gaya APA

Gilbert, J, B. (1993). Clear Speech : Pronunciation And Listening Comprehension In North American English : Student's Book 2nd Ed (2nd Ed). Cambridge, Mass: Cambridge University Press.

Gaya MLA

Gilbert, Judy, B. "Clear Speech : Pronunciation And Listening Comprehension In North American English : Student's Book 2nd Ed". 2nd Ed Cambridge, Mass: Cambridge University Press, 1993. Text.