Helga R. Gudmundsdottir, Beynon, C., Ludke, K., & Cohen, A. J. (2022). The Routledge companion to interdisciplinary studies in singing. Routledge.
Čikaški stil citiranja (17. izdanje)Helga R. Gudmundsdottir, Carol Beynon, Karen Ludke, i Annabel J. Cohen. The Routledge Companion to Interdisciplinary Studies in Singing. London: Routledge, 2022.
MLA način citiranja (9. izdanje)Helga R. Gudmundsdottir, et al. The Routledge Companion to Interdisciplinary Studies in Singing. Routledge, 2022.
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