Brown. (1972). Applied Psychology. Oxford & IBH Pub. Co.
Lua i Stíl Chicago (17ú heag.)Brown. Applied Psychology. London: Oxford & IBH Pub. Co, 1972.
Lua MLA (9ú heag.)Brown. Applied Psychology. Oxford & IBH Pub. Co, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.