Beck, R. C. (1982). Applying psychology: Understanding people. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Beck, Robert Clarence. Applying Psychology: Understanding People. Englewood Cliffs, N.J: Prentice-Hall, 1982.
Lua MLA (9ú heag.)Beck, Robert Clarence. Applying Psychology: Understanding People. Prentice-Hall, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.