De La Serna, M. H. (1973). Essentials for better appreciation of music. The Author.
Lua i Stíl Chicago (17ú heag.)De La Serna, Maria H. Essentials for Better Appreciation of Music. Manila: The Author, 1973.
Lua MLA (9ú heag.)De La Serna, Maria H. Essentials for Better Appreciation of Music. The Author, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.