Ward, S. D. (1942). Rubank intermediate method: Cello, ; a follow up course for individual or like-instrument class instruction. Rubank.
Chicago-referens (17:e uppl.)Ward, Sylvan D. Rubank Intermediate Method: Cello, ; a Follow Up Course for Individual or Like-instrument Class Instruction. Chicago: Rubank, 1942.
MLA-referens (9:e uppl.)Ward, Sylvan D. Rubank Intermediate Method: Cello, ; a Follow Up Course for Individual or Like-instrument Class Instruction. Rubank, 1942.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.