(1920). International Congress of Gregorian Chant: Held at the Metropolitan Cathedral Church of St. Patrick, New York, on June 1st, 2nd and 3rd, 1920. [publisher not identified].
Chicago Style (17th ed.) CitationInternational Congress of Gregorian Chant: Held at the Metropolitan Cathedral Church of St. Patrick, New York, on June 1st, 2nd and 3rd, 1920. New York: [publisher not identified], 1920.
MLA citiranjeInternational Congress of Gregorian Chant: Held at the Metropolitan Cathedral Church of St. Patrick, New York, on June 1st, 2nd and 3rd, 1920. [publisher not identified], 1920.
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