Westphal, F. W. (1971). Woodwind ensemble method: Beginning class instruction in flute, oboe, clarinet, saxophone and bassoon (2nd ed.). W. C. Brown.
Citação do estilo Chicago (17ª ed.)Westphal, Frederick William. Woodwind Ensemble Method: Beginning Class Instruction in Flute, Oboe, Clarinet, Saxophone and Bassoon. 2nd ed. Dubuque, Iowa: W. C. Brown, 1971.
Citação MLA (9ª ed.)Westphal, Frederick William. Woodwind Ensemble Method: Beginning Class Instruction in Flute, Oboe, Clarinet, Saxophone and Bassoon. 2nd ed. W. C. Brown, 1971.
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