Citazione Stile APA (7a Edizione)

Kraft, L. (1976). Gradus: An integrated approach to harmony, counterpoint, and analysis. Norton.

Citazione stile Chigago Style (17a edizione)

Kraft, Leo. Gradus: An Integrated Approach to Harmony, Counterpoint, and Analysis. New York: Norton, 1976.

Citatione MLA (9a ed.)

Kraft, Leo. Gradus: An Integrated Approach to Harmony, Counterpoint, and Analysis. Norton, 1976.