DAVIS. Stephen F. (2006). Psychology. Pearson Prentice Hall.
Lua i Stíl Chicago (17ú heag.)DAVIS. Stephen F. Psychology. Pearson Prentice Hall, 2006.
Lua MLA (9ú heag.)DAVIS. Stephen F. Psychology. Pearson Prentice Hall, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.