Santos, R. P. (2015). The Music of the zarzuela-sarsuwela: A brief study of the etymology, character and significance of a Filipino expressive genre. Musika Jornal.
Čikaški stil citiranja (17. izdanje)Santos, Ramon Pagayon. "The Music of the Zarzuela-sarsuwela: A Brief Study of the Etymology, Character and Significance of a Filipino Expressive Genre." Musika Jornal 2015.
MLA način citiranja (9. izdanje)Santos, Ramon Pagayon. "The Music of the Zarzuela-sarsuwela: A Brief Study of the Etymology, Character and Significance of a Filipino Expressive Genre." Musika Jornal, 2015.
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