APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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