Herrold, R. (1991). New approaches to elementary classroom music (2nd ed.). Prentice Hall.
Čikaški stil citiranja (17. izdanje)Herrold, Rebecca. New Approaches to Elementary Classroom Music. 2nd ed. Englewood Cliffs, N.J: Prentice Hall, 1991.
MLA način citiranja (9. izdanje)Herrold, Rebecca. New Approaches to Elementary Classroom Music. 2nd ed. Prentice Hall, 1991.
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