Friskin, J., & Freundlich, I. (1954). Music for the piano: A handbook of concert and teaching material from 1580 to 1952. Rinehart.
Citazione stile Chigago Style (17a edizione)Friskin, James, e Irwin Freundlich. Music for the Piano: A Handbook of Concert and Teaching Material from 1580 to 1952. New York: Rinehart, 1954.
Citatione MLA (9a ed.)Friskin, James, e Irwin Freundlich. Music for the Piano: A Handbook of Concert and Teaching Material from 1580 to 1952. Rinehart, 1954.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.