Lenhoff, H. M. & Perales, O. & Hickok, G.: Absolute pitch in Williams syndrome. Music Perception, 2001, 18. vsk, nro 4, s. 491–503. doi:10.1525/mp.2001.18.4.491ISSN 0730-7829
Heaton, P. & Hermelin, B. & Pring, L.: Autism and pitch processing: A precursor for savant musical ability. Music Perception, 1998, 15. vsk, nro 3, s. 291–305. doi:10.2307/40285769JSTOR:40285769
Kupferstein, H. & Walsh, B.: Non-Verbal Paradigm for Assessing Individuals for Absolute Pitch. World Futures, 2014. doi:10.1080/02604027.2014.989780
Heaton, P. & Hermelin, B. & Pring, L.: Autism and pitch processing: A precursor for savant musical ability. Music Perception, 1998, 15. vsk, nro 3, s. 291–305. doi:10.2307/40285769JSTOR:40285769
Lenhoff, H. M. & Perales, O. & Hickok, G.: Absolute pitch in Williams syndrome. Music Perception, 2001, 18. vsk, nro 4, s. 491–503. doi:10.1525/mp.2001.18.4.491ISSN 0730-7829