(1992). Thursday Evening Concert Series (From Duo to Septet Opera Ensemble). UP College of Music.
Chicago-viite (17. p.)Thursday Evening Concert Series (From Duo to Septet Opera Ensemble). Quezon City: UP College of Music, 1992.
MLA-viite (9. p.)Thursday Evening Concert Series (From Duo to Septet Opera Ensemble). UP College of Music, 1992.
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