Tohutoro APA (7th ed.)

Ingram, M. D. (1962). Vocal technique for children and youth. Abingdon.

Tohutoru Kātū Chicago (17th ed.)

Ingram, Madeline D. Vocal Technique for Children and Youth. New York: Abingdon, 1962.

Tohutoro MLA (9th ed.)

Ingram, Madeline D. Vocal Technique for Children and Youth. Abingdon, 1962.