Peterson, H. M. (1938). Marimba or Xylophone: A fundamental course for individual or like-instrument class instruction / Howard M. Peterson. Rubank.
Lua i Stíl Chicago (17ú heag.)Peterson, Howard M. Marimba or Xylophone: A Fundamental Course for Individual or Like-instrument Class Instruction / Howard M. Peterson. Miami, Fl.: Rubank, 1938.
Lua MLA (8ú heag.)Peterson, Howard M. Marimba or Xylophone: A Fundamental Course for Individual or Like-instrument Class Instruction / Howard M. Peterson. Rubank, 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.