Παραπομπή σε μορφή APA (7η εκδ.)
Osbeck, K. W. (1985). Devotional warm-ups for the church choir: Weekly devotional lessons and discussions for choir members to provide training in leadership and worship. Kregel Publications.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Osbeck, Kenneth W. Devotional Warm-ups for the Church Choir: Weekly Devotional Lessons and Discussions for Choir Members to Provide Training in Leadership and Worship. Grand Rapids, Mich.: Kregel Publications, 1985.
Παραπομπή σε μορφή MLA (9th εκδ.)
Osbeck, Kenneth W. Devotional Warm-ups for the Church Choir: Weekly Devotional Lessons and Discussions for Choir Members to Provide Training in Leadership and Worship. Kregel Publications, 1985.
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