APA

Gerald R., . (2019). The manual of scales, broken chords and arpeggios [Música impresa]. [London]: The Associated Board of the Royal Schools of Music.

Chicago

Gerald Ruth, . 2019. The manual of scales, broken chords and arpeggios [Música impresa]. [London]: The Associated Board of the Royal Schools of Music.

Harvard

Gerald R., . (2019). The manual of scales, broken chords and arpeggios [Música impresa]. [London]: The Associated Board of the Royal Schools of Music.

MLA

Gerald Ruth, . The manual of scales, broken chords and arpeggios [Música impresa]. [London]: The Associated Board of the Royal Schools of Music. 2019.