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Lua i Stíl Chicago (17ú heag.)Urlanis, B. T︠S︡. Wars and Population. Moscow: Progress Publishers, 1971.
Lua MLA (9ú heag.)Urlanis, B. T︠S︡. Wars and Population. Progress Publishers, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.