APA

HERMANN BERENS, SCHIRMERS LIBRARY OF MUSICAL CLASSICS, .TRAINING OF THE LEFT HAND OP.89: FORTY-SIX EXERCISES AND RWENTY-FIVE STUDIES FOR LEFT HAND ALONE. New York: G. SCHIRMER, INC.

Chicago

HERMANN BERENS, SCHIRMERS LIBRARY OF MUSICAL CLASSICS, .TRAINING OF THE LEFT HAND OP.89: FORTY-SIX EXERCISES AND RWENTY-FIVE STUDIES FOR LEFT HAND ALONE. New York: G. SCHIRMER, INC.

Harvard

HERMANN BERENS, SCHIRMERS LIBRARY OF MUSICAL CLASSICS, .TRAINING OF THE LEFT HAND OP.89: FORTY-SIX EXERCISES AND RWENTY-FIVE STUDIES FOR LEFT HAND ALONE. New York: G. SCHIRMER, INC.

MLA

HERMANN BERENS, SCHIRMERS LIBRARY OF MUSICAL CLASSICS, .New York: G. SCHIRMER, INC. .