Hughes, J. (2016). Telephone English: Includes phrase bank, audio CD and role play. Macmillan Education.
Chicago-Zitierstil (17. Ausg.)Hughes, John. Telephone English: Includes Phrase Bank, Audio CD and Role Play. London: Macmillan Education, 2016.
MLA-Zitierstil (8. Ausg.)Hughes, John. Telephone English: Includes Phrase Bank, Audio CD and Role Play. Macmillan Education, 2016.
警告：這些引文格式不一定是100％准確.