Long, N. H. (1934). Trombone or Baritone: A fundamental course for individual or like-instrument class instruction / Newell H. Long. Rubank.
Chicago-viite (17. p.)Long, Newell H. Trombone or Baritone: A Fundamental Course for Individual or Like-instrument Class Instruction / Newell H. Long. Miami, Fl.: Rubank, 1934.
MLA-viite (8. p.)Long, Newell H. Trombone or Baritone: A Fundamental Course for Individual or Like-instrument Class Instruction / Newell H. Long. Rubank, 1934.
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