Krenek, E. (1985). Eight Pieces for Two Guitars: Transcribed by Theodore Norman. California Guitar Archives.
Citazione stile Chigago Style (17a edizione)Krenek, Ernst. Eight Pieces for Two Guitars: Transcribed by Theodore Norman. Palos Verdes Peninsula, CA: California Guitar Archives, 1985.
Citatione MLA (8a ed.)Krenek, Ernst. Eight Pieces for Two Guitars: Transcribed by Theodore Norman. California Guitar Archives, 1985.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.