Nédoncelle, M., & Vernon, M. (1937). Baron Friedrich von Hügel: A study of his life and thought. Longmans, Green.
Lua i Stíl Chicago (17ú heag.)Nédoncelle, Maurice, agus Marjorie Vernon. Baron Friedrich Von Hügel: A Study of His Life and Thought. London ; New York: Longmans, Green, 1937.
Lua MLA (8ú heag.)Nédoncelle, Maurice, agus Marjorie Vernon. Baron Friedrich Von Hügel: A Study of His Life and Thought. Longmans, Green, 1937.
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