Cristiani, L. (1960). Pierre Teilhard de Chardin: His life and spirit. Barrie and Rockliff.
Lua i Stíl Chicago (17ú heag.)Cristiani, Leon. Pierre Teilhard De Chardin: His Life and Spirit. London: Barrie and Rockliff, 1960.
Lua MLA (8ú heag.)Cristiani, Leon. Pierre Teilhard De Chardin: His Life and Spirit. Barrie and Rockliff, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.