Madamba-Tupas, F. A preliminary list of Iloko drama. Philippine Center for Advanced Studies.
Čikaški stil citiranja (17. izdanje)Madamba-Tupas, Filonila. A Preliminary List of Iloko Drama. Quezon City, y1974: Philippine Center for Advanced Studies.
MLA način citiranja (9. izdanje)Madamba-Tupas, Filonila. A Preliminary List of Iloko Drama. Philippine Center for Advanced Studies.
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