Palma, R., Palma, R. . B. d. R., & Ongpin, A. T. (1976). El Dr. Rizal no se ha retractado! [microform]. Photoduplication Service, University of the Philippines Library.
Cita Chicago (17th ed.)Palma, Rafael, Rafael. Biografia de Rizal Palma, i Alfonso T. Ongpin. El Dr. Rizal No Se Ha Retractado! [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
Cita MLA (9th ed.)Palma, Rafael, et al. El Dr. Rizal No Se Ha Retractado! [microform]. Photoduplication Service, University of the Philippines Library, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.