Barrett, J., & Willams, G. (2002). Test your own aptitude. Kogan Page.
芝加哥风格引文Barrett, Jim, 与 Geoff Willams. Test Your Own Aptitude. New Delhi: Kogan Page, 2002.
MLA引文Barrett, Jim, 与 Geoff Willams. Test Your Own Aptitude. Kogan Page, 2002.
警告：这些引文格式不一定是100％准确.