Powell, M. C. (1988). Focus on Suzuki piano: Creative ad effective ideas for teachers and parents. Summy-Birchard.
Citace podle Chicago (17th ed.)Powell, Mary Craig. Focus on Suzuki Piano: Creative Ad Effective Ideas for Teachers and Parents. Secaucus, N.J: Summy-Birchard, 1988.
Citace podle MLA (9th ed.)Powell, Mary Craig. Focus on Suzuki Piano: Creative Ad Effective Ideas for Teachers and Parents. Summy-Birchard, 1988.
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