Foster, S. (1986). Mary's servant of peace: St Philip Benizi, OSM. London.
Lua i Stíl Chicago (17ú heag.)Foster, Stewart. Mary's Servant of Peace: St Philip Benizi, OSM. London, 1986.
Lua MLA (8ú heag.)Foster, Stewart. Mary's Servant of Peace: St Philip Benizi, OSM. London, 1986.
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