APA (7 वां संस्करण) प्रशस्ति पत्र
Wigram, T. (2004). Improvisation: Methods and techniques for music therapy clinicians, educators and students. J. Kingsley Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Wigram, Tony. Improvisation: Methods and Techniques for Music Therapy Clinicians, Educators and Students. London ; New York: J. Kingsley Publishers, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Wigram, Tony. Improvisation: Methods and Techniques for Music Therapy Clinicians, Educators and Students. J. Kingsley Publishers, 2004.
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