Spector, T. D. (2013). Identically different: Why you can change your genes / Tim Spector (Paperback ed.). Phoenix.
Chicago-viite (17. p.)Spector, Tim D. Identically Different: Why You Can Change Your Genes / Tim Spector. Paperback ed. London: Phoenix, 2013.
MLA-viite (8. p.)Spector, Tim D. Identically Different: Why You Can Change Your Genes / Tim Spector. Paperback ed. Phoenix, 2013.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.