Richter, E. F. E., & Morgan, J. P. (1891). Manual of harmony: A practical guide to its study prepared especially for the Conservatory of Music at Leipsic (16th ed.). Schirmer.
Lua i Stíl Chicago (17ú heag.)Richter, Ernst Friedrich Eduard, agus John P. Morgan. Manual of Harmony: A Practical Guide to Its Study Prepared Especially for the Conservatory of Music at Leipsic. 16th ed. New York: Schirmer, 1891.
Lua MLA (9ú heag.)Richter, Ernst Friedrich Eduard, agus John P. Morgan. Manual of Harmony: A Practical Guide to Its Study Prepared Especially for the Conservatory of Music at Leipsic. 16th ed. Schirmer, 1891.
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