Robertson, L. J. (1936). Quintet in A minor for piano, two violins, viola and violoncello. G. Schirmer.
Lua i Stíl Chicago (17ú heag.)Robertson, Leroy J. Quintet in A Minor for Piano, Two Violins, Viola and Violoncello. New York: G. Schirmer, 1936.
Lua MLA (9ú heag.)Robertson, Leroy J. Quintet in A Minor for Piano, Two Violins, Viola and Violoncello. G. Schirmer, 1936.
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