APA引文

Judy B Gilbert. (1993). Clear speech - student's book: Pronunciation and listening comprehension in North American English. Cambridge, UK: Cambridge University Press.

Trích dẫn kiểu Chicago

Judy B Gilbert. Clear Speech - Student's Book: Pronunciation and Listening Comprehension in North American English. Cambridge, UK: Cambridge University Press, 1993.

MLA引文

Judy B Gilbert. Clear Speech - Student's Book: Pronunciation and Listening Comprehension in North American English. Cambridge, UK: Cambridge University Press, 1993.

警告：這些引文格式不一定是100％准確.