Não informado. (2014). Operational Research Quarterly. Operational Research Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Operational Research Quarterly. London: Operational Research Society, 2014.
Lua MLA (8ú heag.)Não informado. Operational Research Quarterly. Operational Research Society, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.