Serafine, M. L.
(1988). Music as cognition: The development of thought in sound. New York: Columbia University Press.
2.
Sloboda, J. A.
(1986). Cognition and real music: the psychology of music comes of age. Psychologica Belgica, 26, 199-219.
3.
Swanwick, K.
& Tillman, J. (1986). The sequence of musical development: a study of children's composition. British Journal of Music Education, 3, 305-339.
