APA (7e ed.) Bronvermelding

Orosa, S. L., & Virtusio, R. P. (1978). Rizal's challenge and appeal. s.n.] fFookien Times Yearbook Pub.).

Chicago (17e ed.) Bronvermelding

Orosa, Severina Luna, en Romeo P. Virtusio. Rizal's Challenge and Appeal. [s.l., e(Manila: s.n.] fFookien Times Yearbook Pub.), 1978.

MLA (9e ed.) Bronvermelding

Orosa, Severina Luna, en Romeo P. Virtusio. Rizal's Challenge and Appeal. s.n.] fFookien Times Yearbook Pub.), 1978.