APA (7. basım) Alıntı
Higgins, L., & Campbell, P. S. (2010). Free to be musical: Group improvisation in music. Rowman & Littlefield Education.
Chicago Style (17. basım) Atıf
Higgins, Lee, ve Patricia Shehan Campbell. Free to Be Musical: Group Improvisation in Music. Lanham, MD: Rowman & Littlefield Education, 2010.
MLA (9th ed.) Atıf
Higgins, Lee, ve Patricia Shehan Campbell. Free to Be Musical: Group Improvisation in Music. Rowman & Littlefield Education, 2010.
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