Bergson, H. (1950). Time and free will: An essay on the immediate data of conciousness / Henri Bergson. Authorised transl. by F.L. Pogson (6th impr.). Allen & Unwin.
Lua i Stíl Chicago (17ú heag.)Bergson, Henri. Time and Free Will: An Essay on the Immediate Data of Conciousness / Henri Bergson. Authorised Transl. by F.L. Pogson. 6th impr. London: Allen & Unwin, 1950.
Lua MLA (8ú heag.)Bergson, Henri. Time and Free Will: An Essay on the Immediate Data of Conciousness / Henri Bergson. Authorised Transl. by F.L. Pogson. 6th impr. Allen & Unwin, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.