APA citiranje

William Duckworth. (2007). Focus on Fundamentals CD-Rom: A creative approach to music fundamentals. Belmont, CA: Thomson/Schirmer.

Trích dẫn kiểu Chicago

William Duckworth. Focus On Fundamentals CD-Rom: A Creative Approach to Music Fundamentals. Belmont, CA: Thomson/Schirmer, 2007.

MLA citiranje

William Duckworth. Focus On Fundamentals CD-Rom: A Creative Approach to Music Fundamentals. Belmont, CA: Thomson/Schirmer, 2007.

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