Javier y Piedad, I. (1976). Rudimentos de derecho usual [microform]. Photoduplication Service,University of the Philippines Library.
Cita Chicago (17th ed.)Javier y Piedad, Ireneo. Rudimentos De Derecho Usual [microform]. Quezon City: Photoduplication Service,University of the Philippines Library, 1976.
Cita MLA (9th ed.)Javier y Piedad, Ireneo. Rudimentos De Derecho Usual [microform]. Photoduplication Service,University of the Philippines Library, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.