Παραπομπή σε μορφή APA (7η εκδ.)

Bartle, J. A. (2003). Sound advice: Becoming a better children's choir conductor. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bartle, Jean Ashworth. Sound Advice: Becoming a Better Children's Choir Conductor. Oxford ; New York: Oxford University Press, 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bartle, Jean Ashworth. Sound Advice: Becoming a Better Children's Choir Conductor. Oxford University Press, 2003.