Orosa, S. L., & Virtusio, R. P. (1978). Rizal's challenge and appeal. s.n.] fFookien Times Yearbook Pub.).
Lua i Stíl Chicago (17ú heag.)Orosa, Severina Luna, agus Romeo P. Virtusio. Rizal's Challenge and Appeal. [s.l., e(Manila: s.n.] fFookien Times Yearbook Pub.), 1978.
Lua MLA (9ú heag.)Orosa, Severina Luna, agus Romeo P. Virtusio. Rizal's Challenge and Appeal. s.n.] fFookien Times Yearbook Pub.), 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.