Keifer, R. A. (1983). To hear and proclaim: Introduction lectionary for Mass, with commentary for musicians and priests. National Association of Pastoral Musicians.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিKeifer, Ralph A. To Hear and Proclaim: Introduction Lectionary for Mass, with Commentary for Musicians and Priests. Washington, D.C.: National Association of Pastoral Musicians, 1983.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিKeifer, Ralph A. To Hear and Proclaim: Introduction Lectionary for Mass, with Commentary for Musicians and Priests. National Association of Pastoral Musicians, 1983.
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