Ingram, M. D. (1959). Organizing and directing children's choirs. Abingdon Press.
Chicago Style (17. basım) AtıfIngram, Madeline D. Organizing and Directing Children's Choirs. New York: Abingdon Press, 1959.
MLA (9th ed.) AtıfIngram, Madeline D. Organizing and Directing Children's Choirs. Abingdon Press, 1959.
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