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Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Alison Park. British Social Attitudes: The 21st Report : Continuity and Change over Two Decades. London ; Thousand Oaks, CA: SAGE, 2004.
Lua MLA (9ú heag.)ebrary, Inc, agus Alison Park. British Social Attitudes: The 21st Report : Continuity and Change over Two Decades. SAGE, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.