Sheik, D., & Sater, S. (2006). The Song of Purple Summer. Universal Music Publishing Group.
Čikaški stil citiranja (17. izdanje)Sheik, Duncan, i Steven Sater. The Song of Purple Summer. California, United States: Universal Music Publishing Group, 2006.
MLA način citiranja (9. izdanje)Sheik, Duncan, i Steven Sater. The Song of Purple Summer. Universal Music Publishing Group, 2006.
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