Villarroel, F. (1964). Apolinario Mabini: His birth date and student years. National Historical Institute.
Lua i Stíl Chicago (17ú heag.)Villarroel, Fidel. Apolinario Mabini: His Birth Date and Student Years. Manila: National Historical Institute, 1964.
Lua MLA (9ú heag.)Villarroel, Fidel. Apolinario Mabini: His Birth Date and Student Years. National Historical Institute, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.