APA aipamena

Barrett, J., & Willams, G. (2002). Test your own aptitude. Kogan Page.

Chicago Style aipamena

Barrett, Jim, and Geoff Willams. Test Your Own Aptitude. New Delhi: Kogan Page, 2002.

MLA aipamena

Barrett, Jim, and Geoff Willams. Test Your Own Aptitude. Kogan Page, 2002.