(1951). The British journal for the philosophy of science. T. Nelson and Sons.
Lua i Stíl Chicago (17ú heag.)The British Journal for the Philosophy of Science. Edinburgh: T. Nelson and Sons, 1951.
Lua MLA (8ú heag.)The British Journal for the Philosophy of Science. T. Nelson and Sons, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.