Swinscow, T. T. D. V. S. (1976). Statistics at square one. British Medical Association.
Lua i Stíl Chicago (17ú heag.)Swinscow, T.D.V. T. D. V. Swinscow. Statistics at Square One. London: British Medical Association, 1976.
Lua MLA (8ú heag.)Swinscow, T.D.V. T. D. V. Swinscow. Statistics at Square One. British Medical Association, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.