Lua APA (7ú heag.)

Lauer, R. (1976). Social problems. W.M.C Brown Company.

Lua i Stíl Chicago (17ú heag.)

Lauer, Robert. Social Problems. NULL: W.M.C Brown Company, 1976.

Lua MLA (9ú heag.)

Lauer, Robert. Social Problems. W.M.C Brown Company, 1976.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.