Long, N. H. (1934). Trombone or Baritone: A fundamental course for individual or like-instrument class instruction / Newell H. Long. Rubank.
Lua i Stíl Chicago (17ú heag.)Long, Newell H. Trombone or Baritone: A Fundamental Course for Individual or Like-instrument Class Instruction / Newell H. Long. Miami, Fl.: Rubank, 1934.
Lua MLA (8ú heag.)Long, Newell H. Trombone or Baritone: A Fundamental Course for Individual or Like-instrument Class Instruction / Newell H. Long. Rubank, 1934.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.