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Lua i Stíl Chicago (17ú heag.)National Foreign Assessment Center (U.S.). USSR, Trends and Prospects in Educational Attainment, 1959-85. Washington: The Center, 1979.
Lua MLA (8ú heag.)National Foreign Assessment Center (U.S.). USSR, Trends and Prospects in Educational Attainment, 1959-85. The Center, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.