APA-viite (7. p.)

Collas, J. (1960). Rizal's retractions. s.n.

Chicago-viite (17. p.)

Collas, Juan. Rizal's Retractions. [Manila: s.n, 1960.

MLA-viite (9. p.)

Collas, Juan. Rizal's Retractions. s.n, 1960.