APA-referens (7:e uppl.)

Barcelos, L. C. (1991). Recital I (clarinet). UP College of Music.

Chicago-referens (17:e uppl.)

Barcelos, Lazaro C. Recital I (clarinet). Quezon, City: UP College of Music, 1991.

MLA-referens (9:e uppl.)

Barcelos, Lazaro C. Recital I (clarinet). UP College of Music, 1991.