Kraft, L. (1987). Gradus: An integrated approach to harmony, counterpoint, and analysis (2nd ed.). Norton.
Chicago Style (17th ed.) CitationKraft, Leo. Gradus: An Integrated Approach to Harmony, Counterpoint, and Analysis. 2nd ed. New York: Norton, 1987.
MLA (8th ed.) CitationKraft, Leo. Gradus: An Integrated Approach to Harmony, Counterpoint, and Analysis. 2nd ed. Norton, 1987.
Warning: These citations may not always be 100% accurate.