Lua APA (7ú heag.)
ebrary, Inc, & Backhaus, J. (2006). Social question (part 1). Emerald Group Publishing.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Jurgen Backhaus. Social Question (part 1). Bradford, England: Emerald Group Publishing, 2006.
Lua MLA (9ú heag.)
ebrary, Inc, agus Jurgen Backhaus. Social Question (part 1). Emerald Group Publishing, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.