Cita APA (7a ed.)

高洁. (2008). 雅思口语五步制胜: Ten-day step-by-step guide to the IELTS speaking test. 世界知识出版社.

Cita Chicago Style (17a ed.)

高洁. 雅思口语五步制胜: Ten-day Step-by-step Guide to the IELTS Speaking Test. 世界知识出版社, 2008.

Cita MLA (8a ed.)

高洁. 雅思口语五步制胜: Ten-day Step-by-step Guide to the IELTS Speaking Test. 世界知识出版社, 2008.