Bergson, H. (1950). Matter and memory: Henri Bergson. Author. transl. by Nancy Margaret Paul and W. Scott Palmer (6th impr.). Allen & Unwin.
Lua i Stíl Chicago (17ú heag.)Bergson, Henri. Matter and Memory: Henri Bergson. Author. Transl. by Nancy Margaret Paul and W. Scott Palmer. 6th impr. London: Allen & Unwin, 1950.
Lua MLA (8ú heag.)Bergson, Henri. Matter and Memory: Henri Bergson. Author. Transl. by Nancy Margaret Paul and W. Scott Palmer. 6th impr. Allen & Unwin, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.