(1981). First Festival of Filipino Church anthems to premiere fourteen new Choral works. Bulletin Today.
Chicago-viite (17. p.)"First Festival of Filipino Church Anthems to Premiere Fourteen New Choral Works." Bulletin Today 1981.
MLA-viite (9. p.)"First Festival of Filipino Church Anthems to Premiere Fourteen New Choral Works." Bulletin Today, 1981.
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