Manlapaz, D. R. Texbooks in national development.
Lua i Stíl Chicago (17ú heag.)Manlapaz, Delfin R. Texbooks in National Development.
Lua MLA (9ú heag.)Manlapaz, Delfin R. Texbooks in National Development.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.