Irving, D. R. M. (2010). Music in Intramuros during the Galleon Trade. UP College of Music.
Chicago-viite (17. p.)Irving, David R. M. Music in Intramuros During the Galleon Trade. Quezon City: UP College of Music, 2010.
MLA-viite (9. p.)Irving, David R. M. Music in Intramuros During the Galleon Trade. UP College of Music, 2010.
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