National Association of Teachers of Singing (U.S.). (1995). Journal of singing: The official journal of the National Association of Teachers of Singing. National Association of Teachers of Singing.
Chicago (17e ed.) BronvermeldingNational Association of Teachers of Singing (U.S.). Journal of Singing: The Official Journal of the National Association of Teachers of Singing. Jacksonville, FL: National Association of Teachers of Singing, 1995.
MLA (9e ed.) BronvermeldingNational Association of Teachers of Singing (U.S.). Journal of Singing: The Official Journal of the National Association of Teachers of Singing. National Association of Teachers of Singing, 1995.
Let op: Deze citaties zijn niet altijd 100% accuraat.