Benjamin, A. (1981). The helping in interview (3rd ed.). Houghton Mifflin Co..
Lua i Stíl Chicago (17ú heag.)Benjamin, Alfred. The Helping in Interview. 3rd ed. Boston: Houghton Mifflin Co., 1981.
Lua MLA (9ú heag.)Benjamin, Alfred. The Helping in Interview. 3rd ed. Houghton Mifflin Co., 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.