(1999). A night of songs. UP College of Music.
Chicago-viite (17. p.)A Night of Songs. Quezon City: UP College of Music, 1999.
MLA-viite (9. p.)A Night of Songs. UP College of Music, 1999.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.
(1999). A night of songs. UP College of Music.
Chicago-viite (17. p.)A Night of Songs. Quezon City: UP College of Music, 1999.
MLA-viite (9. p.)A Night of Songs. UP College of Music, 1999.