Voxman, H., & Gower, W. (1942). Rubank advanced method: Bassoon, an outlined course of study designed to follow up any of the various elementary and intermediate methods. Rubank.
Chicago-viite (17. p.)Voxman, Himie, ja William Gower. Rubank Advanced Method: Bassoon, an Outlined Course of Study Designed to Follow Up Any of the Various Elementary and Intermediate Methods. Chicago: Rubank, 1942.
MLA-viite (9. p.)Voxman, Himie, ja William Gower. Rubank Advanced Method: Bassoon, an Outlined Course of Study Designed to Follow Up Any of the Various Elementary and Intermediate Methods. Rubank, 1942.
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