Teaching music through performance in choir. Volume 1, c2005 t.p. (Graeme Morton) p. 40 (Modern music / Graeme Morton)
Morton Music WWW site, Jan. 15, 2008 Composers (Graeme Morton; Australian choral conductor; home state: Queensland; on the faculty of St. Peter's Lutheran College, Brisbane)
Electronic communication, Jan. 17, 2008 (Graeme Morton; b. June 28, 1952, Atherton, Australia)