Casper, L. (1969). Philippine vernacular literature. Jenkins.
Lua i Stíl Chicago (17ú heag.)Casper, Leonard. Philippine Vernacular Literature. Austin, TX: Jenkins, 1969.
Lua MLA (9ú heag.)Casper, Leonard. Philippine Vernacular Literature. Jenkins, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.