Torres, E. S. (1965). Sung. Philippine Studies : A Quarterly.
Lua i Stíl Chicago (17ú heag.)Torres, Emmanuel S. "Sung." Philippine Studies : A Quarterly 1965.
Lua MLA (9ú heag.)Torres, Emmanuel S. "Sung." Philippine Studies : A Quarterly, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.