Sanchez, A. M. (1961). Roots of the sins in the Philippine government. [s.n.].
Cita Chicago (17th ed.)Sanchez, Antonio M. Roots of the Sins in the Philippine Government. Manilan: [s.n.], 1961.
Cita MLA (9th ed.)Sanchez, Antonio M. Roots of the Sins in the Philippine Government. [s.n.], 1961.
Atenció: Aquestes cites poden no estar 100% correctes.