Vandenbogaert, M. D. S. I. (1966). A study of causal systems in the basic writings of Teilhard de Chardin and Thomas Aquinas.
Lua i Stíl Chicago (17ú heag.)Vandenbogaert, Marie Daniello Sister. I.C.M. A Study of Causal Systems in the Basic Writings of Teilhard De Chardin and Thomas Aquinas. 1966.
Lua MLA (9ú heag.)Vandenbogaert, Marie Daniello Sister. I.C.M. A Study of Causal Systems in the Basic Writings of Teilhard De Chardin and Thomas Aquinas. 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.