APA-referens (7:e uppl.)

Bell, J., & Opie, C. (2002). Learning from research: Getting more from data. Open University Press.

Chicago-referens (17:e uppl.)

Bell, Judith, och Clive Opie. Learning from Research: Getting More from Data. Buckingham: Open University Press, 2002.

MLA-referens (9:e uppl.)

Bell, Judith, och Clive Opie. Learning from Research: Getting More from Data. Open University Press, 2002.