Lambert, W. W., & Lambert, W. E. (1964). Social psychology. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Lambert, William Wilson, agus Wallace E. Lambert. Social Psychology. Englewood Cliffs, N.J: Prentice-Hall, 1964.
Lua MLA (9ú heag.)Lambert, William Wilson, agus Wallace E. Lambert. Social Psychology. Prentice-Hall, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.