APA (7 ম সংস্করণ) উদ্ধৃতি

(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].

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

International 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.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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], 1920.