APA-referens (7:e uppl.)

Christopher Gomez Borela. (2000). Recital IV (Countertenor). Quezon City.

Chicago-referens (17:e uppl.)

Christopher Gomez Borela. Recital IV (Countertenor). University of the Philippines: Quezon City, 2000.

MLA-referens (9:e uppl.)

Christopher Gomez Borela. Recital IV (Countertenor). Quezon City, 2000.