Amparo, I. (1976). An analysis of Chopin's Concerto no. 1 in E minor for piano and orchestra [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-referens (17:e uppl.)Amparo, Irene. An Analysis of Chopin's Concerto No. 1 in E Minor for Piano and Orchestra [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
MLA-referens (9:e uppl.)Amparo, Irene. An Analysis of Chopin's Concerto No. 1 in E Minor for Piano and Orchestra [microform]. Photoduplication Service, University of the Philippines Library, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.