Agay, D. (1972). The joy of recital time: A graded collection of effective solos and duets in the easy-to-intermediate levels. Yorktown Music Press.
Chicago-referens (17:e uppl.)Agay, Denes. The Joy of Recital Time: A Graded Collection of Effective Solos and Duets in the Easy-to-intermediate Levels. New York: Yorktown Music Press, 1972.
MLA-referens (9:e uppl.)Agay, Denes. The Joy of Recital Time: A Graded Collection of Effective Solos and Duets in the Easy-to-intermediate Levels. Yorktown Music Press, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.