APA-referens (7:e uppl.)

Oliver, K. B. (1998). Recital I (voice). UP College of Music.

Chicago-referens (17:e uppl.)

Oliver, Katherina B. Recital I (voice). Quezon, City: UP College of Music, 1998.

MLA-referens (9:e uppl.)

Oliver, Katherina B. Recital I (voice). UP College of Music, 1998.