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Lua i Stíl Chicago (17ú heag.)Pettigrew, A. Examining Change in the Long-term Context of Culture and Politics. Jossey-Bass, 1985.
Lua MLA (9ú heag.)Pettigrew, A. Examining Change in the Long-term Context of Culture and Politics. Jossey-Bass, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.