Bordogni, G. M. Twenty-four easy vocalises progressively arranged within the compass of any voice. G. Schirmer.
Chicago Style (17th ed.) CitationBordogni, Guilio Marco. Twenty-four Easy Vocalises Progressively Arranged Within the Compass of Any Voice. New York: G. Schirmer.
MLA (9th ed.) CitationBordogni, Guilio Marco. Twenty-four Easy Vocalises Progressively Arranged Within the Compass of Any Voice. G. Schirmer.
Warning: These citations may not always be 100% accurate.