Concepcion, J. (1971). Follow up: The constitutional convention. s.n.].
Cita Chicago (17th ed.)Concepcion, Jose. Follow Up: The Constitutional Convention. [Pasay City: s.n.], 1971.
Cita MLA (9th ed.)Concepcion, Jose. Follow Up: The Constitutional Convention. s.n.], 1971.
Atenció: Aquestes cites poden no estar 100% correctes.