Nitka, A., & Kulbach, J. E. (1965). The recorder guide; an instruction method for soprano and alto recorder, including folk melodies from around the world. Oak Publications.
Čikaški stil citiranja (17. izdanje)Nitka, Arthur, i Johanna E. Kulbach. The Recorder Guide; an Instruction Method for Soprano and Alto Recorder, Including Folk Melodies from Around the World. New York: Oak Publications, 1965.
MLA način citiranja (9. izdanje)Nitka, Arthur, i Johanna E. Kulbach. The Recorder Guide; an Instruction Method for Soprano and Alto Recorder, Including Folk Melodies from Around the World. Oak Publications, 1965.
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