APA (7 वां संस्करण) प्रशस्ति पत्र
Gardstrom, S. C. (2007). Music therapy improvisation for groups: Essential leadership competencies. Barcelona Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Gardstrom, Susan C. Music Therapy Improvisation for Groups: Essential Leadership Competencies. Gilsum, New Hampshire: Barcelona Publishers, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Gardstrom, Susan C. Music Therapy Improvisation for Groups: Essential Leadership Competencies. Barcelona Publishers, 2007.
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