(2000). Acoustic Opus 7. UP College of Music.
Chicago-viite (17. p.)Acoustic Opus 7. Quezon City: UP College of Music, 2000.
MLA-viite (9. p.)Acoustic Opus 7. UP College of Music, 2000.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.
(2000). Acoustic Opus 7. UP College of Music.
Chicago-viite (17. p.)Acoustic Opus 7. Quezon City: UP College of Music, 2000.
MLA-viite (9. p.)Acoustic Opus 7. UP College of Music, 2000.