Krenek, E. (1985). Eight Pieces for Two Guitars: Transcribed by Theodore Norman. California Guitar Archives.
Chicago-Zitierstil (17. Ausg.)Krenek, Ernst. Eight Pieces for Two Guitars: Transcribed by Theodore Norman. Palos Verdes Peninsula, CA: California Guitar Archives, 1985.
MLA-Zitierstil (8. Ausg.)Krenek, Ernst. Eight Pieces for Two Guitars: Transcribed by Theodore Norman. California Guitar Archives, 1985.
警告：这些引文格式不一定是100％准确.