Gaya APA
Marmion, (, O. (-1962).
The English letters of Abbot Marmion 1858-1923, with a foreword by A.G.Cicognani. .
Dublin:
Helicon.
Gaya MLA
Marmion, (C.,, O.S.B.).
"The English letters of Abbot Marmion 1858-1923, with a foreword by A.G.Cicognani. ".
Dublin:
Helicon,
-1962.
Buku.