Kraft, L. (1990). Gradus: The second year and after : an integrated approach to harmony, counterpoint, and analysis (2nd ed.). W.W. Norton.
Chicago Style (17th ed.) CitationKraft, Leo. Gradus: The Second Year and After : An Integrated Approach to Harmony, Counterpoint, and Analysis. 2nd ed. New York: W.W. Norton, 1990.
MLA (9th ed.) CitationKraft, Leo. Gradus: The Second Year and After : An Integrated Approach to Harmony, Counterpoint, and Analysis. 2nd ed. W.W. Norton, 1990.
Warning: These citations may not always be 100% accurate.