APA aipamena

Barrett, J. (2004). Aptitude test workbook. Kogan Page.

Chicago Style aipamena

Barrett, Jim. Aptitude Test Workbook. New Delhi: Kogan Page, 2004.

MLA aipamena

Barrett, Jim. Aptitude Test Workbook. Kogan Page, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.