Jones, D. L. (2017). A modern guide to old world singing: Concepts of the Swedish-Italian and Italian singing schools (edition.). David L. Jones.

Jones, David L. A Modern Guide to Old World Singing: Concepts of the Swedish-Italian and Italian Singing Schools. edition. [Place of publication not identified]: David L. Jones, 2017.

Jones, David L. A Modern Guide to Old World Singing: Concepts of the Swedish-Italian and Italian Singing Schools. edition. David L. Jones, 2017.