An Official TOEFL Study Aid. (1989). Listening to TOEFL: Workbook. USA: Educational Testing Service.
Chicago Style CitationAn Official TOEFL Study Aid. Listening to TOEFL: Workbook. USA: Educational Testing Service, 1989.
MLA CitationAn Official TOEFL Study Aid. Listening to TOEFL: Workbook. USA: Educational Testing Service, 1989.
Warning: These citations may not always be 100% accurate.