Wright, B. (2007). Interpersonal skills (New updated ed.). M&K Update.
Lua i Stíl Chicago (17ú heag.)Wright, Bob. Interpersonal Skills. New updated ed. Keswick [England]: M&K Update, 2007.
Lua MLA (9ú heag.)Wright, Bob. Interpersonal Skills. New updated ed. M&K Update, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.