Pil, C. (2002). Roberta Rust. IN Music to my ears [column]: Performer-pedagogue par excellence. Manila Times.
Chicago-referens (17:e uppl.)Pil, Celine. "Roberta Rust. IN Music to My Ears [column]: Performer-pedagogue Par Excellence." Manila Times 2002.
MLA-referens (9:e uppl.)Pil, Celine. "Roberta Rust. IN Music to My Ears [column]: Performer-pedagogue Par Excellence." Manila Times, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.