Gower, W., & Voxman, H. Rubank advanced method: Cornet or trumpet, an outlined course of study designed to follow up any of the various elementary and intermediate methods. Rubank.
Cita Chicago (17th ed.)Gower, William, i Himie Voxman. Rubank Advanced Method: Cornet or Trumpet, an Outlined Course of Study Designed to Follow Up Any of the Various Elementary and Intermediate Methods. Chicago: Rubank.
Cita MLA (9th ed.)Gower, William, i Himie Voxman. Rubank Advanced Method: Cornet or Trumpet, an Outlined Course of Study Designed to Follow Up Any of the Various Elementary and Intermediate Methods. Rubank.
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