Nettle, D. (2007). Personality: What makes you the way you are. Oxford University Press.
Chicago-viite (17. p.)Nettle, Daniel. Personality: What Makes You the Way You Are. Oxford: Oxford University Press, 2007.
MLA-viite (8. p.)Nettle, Daniel. Personality: What Makes You the Way You Are. Oxford University Press, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.