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Lua i Stíl Chicago (17ú heag.)BLALOCK, Hubert M., Jr. Basic Dilemmas in the Social Sciences. Newbury Park: SAGE, 1984.
Lua MLA (9ú heag.)BLALOCK, Hubert M., Jr. Basic Dilemmas in the Social Sciences. SAGE, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.