Oliver, K. B. (1998). Recital I (voice). UP College of Music.
Lua i Stíl Chicago (17ú heag.)Oliver, Katherina B. Recital I (voice). Quezon, City: UP College of Music, 1998.
Lua MLA (9ú heag.)Oliver, Katherina B. Recital I (voice). UP College of Music, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.