Klassisk
Adler, Samuel: "The Study of Orchestration" i Adler, Samuel: The Study of Orchestration, 2002. W.W Norton & Company. ISBN:?0-39397572-X. Kapittel: 2, 3, 6, 7, 9, 10.
Tveit, Sigvald: Harmonil?re fra en ny innfallsvinkel, 2008. Universitetsforlaget. ISBN:?978-82-15-01211-7, h..