Wengert, E. S. (1957). GSIS: Reflections on reform and reorganization. Philippine Journal of Public Administration.
Cita Chicago (17th ed.)Wengert, Egbert S. "GSIS: Reflections on Reform and Reorganization." Philippine Journal of Public Administration 1957.
Cita MLA (9th ed.)Wengert, Egbert S. "GSIS: Reflections on Reform and Reorganization." Philippine Journal of Public Administration, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.