Laurel, S. H. (1965). Politics of change and reforms for progress. [s.n.].
Cita Chicago (17th ed.)Laurel, Sotero H. Politics of Change and Reforms for Progress. Manila: [s.n.], 1965.
Cita MLA (9th ed.)Laurel, Sotero H. Politics of Change and Reforms for Progress. [s.n.], 1965.
Atenció: Aquestes cites poden no estar 100% correctes.