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Lua i Stíl Chicago (17ú heag.)Operational Research Quarterly (1970-1977). Oxford [etc.] New York: Pergamon Press for Operational Research Society.
Lua MLA (8ú heag.)Operational Research Quarterly (1970-1977). Pergamon Press for Operational Research Society.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.