Faculty of Arts & Sciences. Pitch Structure: Harmony and Counterpoint. Theory of Music - Pitch Structure: The Chromatic Scale. Harvard University. დაარქივებულია ორიგინალიდან — 2020-10-06. ციტირების თარიღი: 2020-10-02.
(21 May 2013) Syncopation. Oxford University Press. ISBN9780199578108. ციტირების თარიღი: 11 August 2017. „Syncopation is achieved by accenting a weak instead of a strong beat, by putting rests on strong beats, by holding on over strong beats, and by introducing a sudden change of time‐signature.“
Polyrhythm. Oxford University Press. ციტატა: „The superposition of different rhythms or metres.“ ციტირების თარიღი: 11 August 2017.
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Faculty of Arts & Sciences. Pitch Structure: Harmony and Counterpoint. Theory of Music - Pitch Structure: The Chromatic Scale. Harvard University. დაარქივებულია ორიგინალიდან — 2020-10-06. ციტირების თარიღი: 2020-10-02.