Não informado. (1963). Bulletin of the Oxford University Institute of Economics & Statistics. Oxford University Institute of Economics and Statistics.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of the Oxford University Institute of Economics & Statistics. Oxford, Inglaterra: Oxford University Institute of Economics and Statistics, 1963.
Lua MLA (8ú heag.)Não informado. Bulletin of the Oxford University Institute of Economics & Statistics. Oxford University Institute of Economics and Statistics, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.