The Academic Mixed Choir of the Szczecin Technical University & Szyrocki, J. Chor Akademicki Politechniki Szczecinskiej. Muza.
Čikaški stil citiranja (17. izdanje)The Academic Mixed Choir of the Szczecin Technical University i Jan Szyrocki. Chor Akademicki Politechniki Szczecinskiej. Muza.
MLA način citiranja (8. izdanje)The Academic Mixed Choir of the Szczecin Technical University i Jan Szyrocki. Chor Akademicki Politechniki Szczecinskiej. Muza.
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